why has morphology or structural similarity been used the most in classification

Answers

Answer 1

Morphology or structural similarity has been used extensively in classification because it provides a straightforward and effective means of categorizing objects based on their physical characteristics.

Morphological features are easily observable and measurable, making them ideal for automated classification systems that rely on quantitative data. In addition, morphology is often closely related to an object's function or behavior, providing insight into its ecological niche, evolutionary history, or other important aspects of its biology.

This information can be particularly valuable in fields such as ecology, where identifying and categorizing species based on their morphology can help researchers understand patterns of biodiversity, habitat use, and ecosystem function.

Finally, morphology has been studied for centuries and has a well-established body of research and terminology, making it a convenient and standardized way to communicate information about the characteristics of organisms. For all these reasons, morphology continues to be a powerful tool in classification and taxonomy, even as other approaches such as molecular biology become more widely used.

To learn more about Morphology

https://brainly.com/question/23673404

#SPJ4


Related Questions

chytridiomycosis is a fungal disease first identified in 1998 as a cause of massive amphibian deaths. in some severely impacted populations, a few individuals have survived, perhaps because of some natural resistance. if these resistant individuals continue to survive and prosper, new resistant populations might emerge. this would be an example of . read the following scenario to answer the following question. over the past 60 years, many amphibian species have experienced significant population declines, and some species have become extinct. scientists suspected that local human activities such as the destruction of wetlands, regional pollution, and deforestation were the main reasons for these losses. however, research over the past 20 years reveals significant amphibian population declines in protected areas of the world, such as nature preserves and parks. these global declines suggest widespread problems including increased ultraviolet radiation, acid rain, and disease. in switzerland, for example, 14 of the 20 native amphibian species are threatened with extinction. chytridiomycosis is a fungal disease first identified in 1998 as a cause of massive amphibian deaths. in some severely impacted populations, a few individuals have survived, perhaps because of some natural resistance. if these resistant individuals continue to survive and prosper, new resistant populations might emerge. this would be an example of . sexual selection natural selection genetic drift the founder effect

Answers

The case of Chytridiomycosis above would be an example of natural selection.

Natural selection is the process in which organisms with desirable traits have a greater likelihood of surviving and reproducing, thus increasing the frequency of these traits in the population over time. In this case, the individuals that are resistant to the chytridiomycosis fungus have a greater chance of surviving and thus pass on their genes to the next generation, increasing the frequency of the resistant trait.

Here’s a detailed explanation of the principles behind natural selection.

Variation: All organisms exhibit variation. Variation refers to differences in the physical, behavioral, and physiological traits of individuals of the same species. Inheritance: The traits that vary in a population are passed down to the next generation through the process of inheritance.Selection: Some individuals in a population are better adapted to their environment than others, which gives them a greater chance of survival and reproduction.Time: Over time, natural selection can cause the traits that are advantageous to become more common in a population. This process leads to the evolution of new species.

Your question seems to be formatted wrong/ The correct one should be as follows:

Chytridiomycosis is a fungal disease first identified in 1998 as a cause of massive amphibian deaths. in some severely impacted populations, a few individuals have survived, perhaps because of some natural resistance. if these resistant individuals continue to survive and prosper, new resistant populations might emerge. this would be an example of:

sexual selectionnatural selectiongenetic driftthe founder effect

Learn more about natural selection at https://brainly.com/question/23929271

#SPJ11

analyze the data about nitrogenous base content of dna from various species. which of these statements are supported by the data? select all that apply.

Answers

The data about nitrogenous base content of dna from various species. these statements are supported by the data are 1. The amount of adenine is equivalent to the amount of thymine, 2.The amount of guanine is equivalent to the amount of cytosine, and 3. The amount of purines is equivalent to the amount of pyrimidines

The nitrogenous base content of DNA varies from species to species.The composition of the nitrogenous bases in DNA from species to species can vary significantly. It was noticed that the amount of adenine is equivalent to the amount of thymine and the amount of guanine is equivalent to the amount of cytosine. This is referred to as Chargaff's rule.

The base pairs of DNA, adenine, and thymine (AT) have two hydrogen bonds, whereas cytosine and guanine (CG) have three hydrogen bonds. This is significant because the proportion of AT and GC base pairs can have a major impact on the stability of the DNA double helix. Finally, it was discovered that the amount of purines is equivalent to the amount of pyrimidines. The analize data about nitrogenous base content of dna from various species. these statements are supported by the data are 1. The amount of adenine is equivalent to the amount of thymine, 2.The amount of guanine is equivalent to the amount of cytosine, and 3. The amount of purines is equivalent to the amount of pyrimidines

Learn more about DNA at:

https://brainly.com/question/21992450

#SPJ11

Describe the arrangement of the sediments found within the terminal moraine.

Answers

A terminal moraine is a deposit of sediments formed at the farthest end of a glacier's advance.

The arrangement of sediments within the terminal moraine is typically chaotic and disorganized. The sediments can vary in size from small particles to large boulders, and they are often poorly sorted, meaning that the different sizes of sediments are not well separated from each other. This is because the sediments are deposited rapidly and unevenly as the glacier melts and retreats.

As the ice melts, it releases the sediments it has carried, which are deposited in a disorderly manner, creating a jumbled mix of sediments. The terminal moraine can extend across the entire width of the glacier's path and can be several meters to several kilometers wide, depending on the size of the glacier.

To learn more about terminal moraine, here

https://brainly.com/question/28962024

#SPJ4

A technique developed by communication scholars to remind us that our evaluations apply only to specific times and circumstances refers to which of the following?
a. indexing
b. selective perception
c. temporal differentiation
d. ambiguity
e. contextual perception

Answers

The technique developed by communication scholars to remind us that our evaluations apply only to specific times and circumstances is known as indexing. Thus, the correct option is A.

What is indexing?

Indexing is a communication technique developed by communication scholars to remind us that our evaluations apply only to specific times and circumstances.

Indexing is a cognitive process that acknowledges that an evaluation made at one time may not be accurate at another time or in another context. Indexing recognizes the fact that attitudes are situational and that evaluations are bound to specific times, places, and situations.

Therefore, the correct option is A.

Learn more about communication technique here:

https://brainly.com/question/11987120

#SPJ11

what evidence is there from these drosophila experiments that the genes for wing shape and bristles are inherited independently of each other

Answers

The evidence from these Drosophila experiments that the genes for wing shape and bristles are inherited independently of each other is genes for wing shape and bristles are inherited independently of each other.

Since the two genes were on sepаrаte chromosomes, they were аble to do so. Thus, the frequency of аppeаrаnce of these two trаits hаs no relаtionship. They were inherited independently, with no correlаtion or linkаge in the genetic inheritаnce of wing shаpe аnd bristles.

The inheritаnce of а gene is аccomplished by the chromosome it is on. Different trаits cаn be inherited independently of one аnother if they аre locаted on different chromosomes. If two genes аre found on the sаme chromosome, they аre more likely to be inherited together. Genes thаt аre locаted neаr one аnother on the sаme chromosome аre sаid to be linked.

For more information about inherited independent refers to the link: https://brainly.com/question/1675246

#SPJ11

in prokaryotic transcription, how is the holoenzyme rna polymerase formed?

Answers

In prokaryotic transcription, the holoenzyme RNA polymerase is formed by the association of the core RNA polymerase enzyme with a sigma factor protein.

The core enzyme is composed of five subunits: two alpha subunits, one beta subunit, one beta prime subunit, and one omega subunit. The sigma factor is an additional protein that temporarily associates with the core enzyme to form the holoenzyme, which is capable of recognizing and binding to promoter regions of DNA.

The sigma factor helps the holoenzyme recognize and bind to specific promoter sequences on the DNA template strand, marking the start site of transcription. Once transcription begins, the sigma factor is released from the holoenzyme, and the core RNA polymerase continues to synthesize RNA until it reaches the end of the gene or reaches a termination signal.

The sigma factor is then free to associate with another core enzyme and initiate the transcription of a different gene. The process of holoenzyme formation is critical for the accurate initiation of transcription in prokaryotes.

To learn more about prokaryotic transcription

https://brainly.com/question/16383586

#SPJ4

what is a common, painless eye condition, usually associated with aging, in which the central portion of the retina deteriorates and does not function adequately?

Answers

The common, painless eye condition associated with aging that causes the central portion of the retina to deteriorate and function inadequately is called age-related macular degeneration (AMD).

The retina is a layer of tissue at the back of the eye that is responsible for detecting light and sending visual information to the brain. The macula is the central portion of the retina, which is responsible for providing sharp, detailed vision required for reading, driving, and recognizing faces.

In AMD, the macula slowly deteriorates over time, leading to a loss of central vision. This condition can affect one or both eyes and can progress gradually, causing a decrease in the ability to see fine details and colors, distortion of straight lines, and blind spots in the central field of vision. While there is no cure for AMD, early detection and treatment can help slow its progression and preserve vision.

To learn more about retina refer to

brainly.com/question/13993307

#SPJ4

How would the following pulmonary volumes and capacities change if you collected the data after vigorous exercise? VT:___ IRV:___ ERV:___ RV:___TLC:___

Answers

The following pulmonary volumes and capacities would change if you collected the data after vigorous exercise:

VT: increased IRV: decreased ERV: decreased RV: decreased TLC: unchanged

Explanation: During vigorous exercise, the body’s oxygen demand increases, and as a result, the lungs increase their activity. As a result, the amount of air that is inhaled (VT) increases, as more air is needed to provide oxygen to the muscles.

However, the other pulmonary volumes would decrease after vigorous exercise. The inspiratory reserve volume (IRV) would decrease because, during vigorous exercise, the lungs may not have enough time to fill up to their maximum capacity. As a result, the amount of air that can be inhaled after a normal inspiration would be reduced.

The expiratory reserve volume (ERV) would also decrease because, during vigorous exercise, the body needs to eliminate carbon dioxide, which results in a greater amount of air being exhaled.

The residual volume (RV) would also decrease after vigorous exercise because the lungs are working more efficiently, which results in more air being exchanged in and out of the lungs.

Finally, the total lung capacity (TLC) would remain the same because the amount of air that is inhaled (VT) increases by the same amount that the other volumes decrease.

To know more about pulmonary, refer here:

https://brainly.com/question/30750627#

#SPJ11

The properties of water are an essential part of what makes water unique. What affect does the properties of water have on Earth's surface and its systems? Explain the relationship between the polarity of water and solubility

Answers

The properties of water, such as its high specific heat, high heat of vaporization, high surface tension, and ability to dissolve a wide range of substances, play a crucial role in shaping Earth's surface and its systems. Water's high specific heat allows it to absorb and release large amounts of heat without significant changes in temperature, which helps to moderate the Earth's climate and temperature. Its high heat of vaporization makes it an effective cooling agent, as it absorbs large amounts of heat when it evaporates.

Water's ability to dissolve a wide range of substances is also crucial to many biological and geological processes. It dissolves and transports nutrients, minerals, and waste products, and it plays a role in weathering and erosion of rocks and sediments. Water's polarity, which arises from its uneven distribution of charges, makes it a highly effective solvent for other polar or charged molecules, such as ions or polar covalent compounds. This is because water molecules are attracted to other charged or polar molecules, forming hydrogen bonds with them, which allows them to surround and separate the individual molecules and dissolve them.

Water's polarity also has a significant effect on its surface tension, or the cohesive forces between water molecules at the surface. Water molecules at the surface are attracted to each other and create a sort of "skin" that can support the weight of small objects, such as insects, and even small amounts of water can resist breaking apart. This has important implications for biological systems, such as capillary action in plants, and for physical systems, such as ocean waves.

In summary, the properties of water, including its polarity and solubility, are essential to understanding the Earth's surface and its systems, and to the functioning of biological and physical processes. Water's polarity enables it to dissolve and transport a wide range of substances and to create surface tension, while its high specific heat and heat of vaporization help to regulate the Earth's temperature and climate.

Enzymes separate the glycerol and fatty acids of fats in food molecules; then glycerol is converted to ________, which is able to enter aerobic respiration

Answers

Enzymes separate the glycerol and fatty acids of fats in food molecules; then glycerol is converted to pyruvate, which is able to enter aerobic respiration.

What are enzymes?

Enzymes are proteins that catalyze chemical reactions. They are critical in assisting cells in converting one molecule to another. As a result, they help cells carry out their fundamental functions.

Fats are the most energy-rich molecules in our bodies, and they are created by joining glycerol and fatty acids. The glycerol is subsequently converted to pyruvate through glycolysis, which is a process that occurs in the cytoplasm of cells. This can be further converted to acetyl CoA through a sequence of steps. Acetyl CoA is used in the Krebs cycle, which is a critical stage of aerobic respiration.

In the process of glycolysis, enzymes convert one molecule of glucose into two molecules of pyruvate, producing a net of two ATPs. This process is divided into two parts, an energy-consuming phase and an energy-releasing phase. The first part is a chemical change that activates glucose by adding two phosphates to it.

Glucose is then divided into two three-carbon molecules through the energy-releasing phase. The final stage of glycolysis generates four ATP molecules, although two ATPs are used up in the initial phase. The net output is therefore two ATPs.

To know more about glycolysis:

brainly.com/question/26990754

#SPJ11

based an your experiments in the previous section, how does tie ouserved relatve brightnes of a starchanger,

Answers

In your experiments with a star changer, you must have observed the relative brightness which is: directly related to the diameter of the lens.

The diameter of the lens, in turn, is directly proportional to the intensity of light that the lens captures. The relative brightness is also related to the surface area of the lens. The surface area, as we know, increases with the square of the diameter of the lens.

Therefore, if the diameter of the lens is doubled, the surface area will increase fourfold, making the image brighter. As a result, we can say that the brightness of the image observed in a star changer is directly proportional to the diameter of the lens, which is dependent on the surface area of the lens.

A bigger lens will be able to capture more light, resulting in a brighter image. Another way to increase the brightness of the image is to use a lens with a lower focal length. As the focal length of the lens is decreased, the image is magnified more, making it appear brighter.

However, this method comes with a downside. As the focal length decreases, the image's clarity decreases as well. Therefore, a balance between the diameter of the lens and the focal length must be maintained to get a bright and clear image of the star.

To know more about relative brightness refer here:

https://brainly.com/question/7966158#

#SPJ11

the foreign clast is a volcanic bomb. these semi-molten masses are ejected during volcanic eruptions, fly through the air, and are deposited in the surrounding area or are destroyed upon impact with the ground. given the nature of the layers in the outcrop of the gigapan image, determine when this volcanic bomb (the atypical clast) was deposited relative to the outcrop layers. select the two that apply. view available hint(s)for part g the foreign clast is a volcanic bomb. these semi-molten masses are ejected during volcanic eruptions, fly through the air, and are deposited in the surrounding area or are destroyed upon impact with the ground. given the nature of the layers in the outcrop of the gigapan image, determine when this volcanic bomb (the atypical clast) was deposited relative to the outcrop layers. select the two that apply. this is the only volcanic bomb that landed in this outcropping of sediments. the bomb landed in layers of deposited ash after they were consolidated (became solid and well-cemented together). some sediment layers were deformed ductilely by deposition of the volcanic bomb. the layers to the left and right of the clast were deposited before the clast. the uppermost layers were in their present location when the clast was deposited.

Answers

Based on the information provided, the volcanic bomb was deposited:

After the layers to the left and right of the clast were deposited (i.e., it is younger than these layers).

Before the uppermost layers were in their present location (i.e., it is older than these layers).

What are volcanic eruptions?

Volcanic eruptions are natural phenomena in which molten rock, ash, and gas escape from a volcanic vent or opening on the Earth's surface. They are typically caused by the buildup of pressure within a magma chamber below the Earth's surface, which can be triggered by a variety of factors, including tectonic activity, changes in the composition of the magma, or the release of gases from the magma. When the pressure becomes too great, the magma is forced up through the vent, resulting in an eruption.

Volcanic eruptions can take many forms, ranging from relatively gentle and slow-moving effusive eruptions, which release lava and gas over an extended period of time, to explosive eruptions, which can eject large quantities of ash, rock, and gas into the atmosphere in a matter of minutes or hours. The nature of an eruption depends on factors such as the type of magma involved, the size and shape of the volcanic vent, and the surrounding topography.

In the given question, the volcanic bomb was likely deposited after the surrounding layers were already consolidated and in place, but before the uppermost layers were deposited or moved to their current location. The fact that some sediment layers were deformed ductility by the deposition of the volcanic bomb suggests that it was still semi-molten or at least very hot when it landed.

To know more about topography, visit:

https://brainly.com/question/2279445

#SPJ1

arrange the steps that would be used in a laboratory to engineer a bacterium that could express the human gene coding for insulin1.Transform the vector into an E. coli bacterium.2.Generate cDNA of the insulin gene using reverse transcriptase.3. Insert the insulin cDNA into a bacterial vector near a promoter site.4. Isolate the mRNA of the insulin gene.

Answers

The steps that would be used in a laboratory to engineer a bacterium that could express the human gene coding for insulin are:

1. Generate cDNA of the insulin gene using reverse transcriptase.

2. Insert the insulin cDNA into a bacterial vector near a promoter site.

3. Transform the vector into an E. coli bacterium.

4. Isolate the mRNA of the insulin gene.

The method for genetically engineering a bacterium to express the human gene coding for insulin

 Generation of insulin gene CDNA.

The first step in genetically engineering a bacterium to express the human gene coding for insulin is to generate a cDNA of the insulin gene using reverse transcriptase.

Insulin cDNA InsertionThe next step involves inserting the insulin cDNA into a bacterial vector near a promoter site. This is necessary to ensure that the bacterium can produce the insulin gene.

Transformation of Bacterial VectorThe third step involves transforming the vector into an E. coli bacterium. This process involves the use of special enzymes to insert the DNA into the bacterial cell.

Isolation of mRNAFinally, the last step involves isolating the mRNA of the insulin gene. This process is necessary to ensure that the gene is properly expressed and that the bacterium can produce insulin in significant amounts.

To learn more about human gene coding: https://brainly.com/question/13845958

#SPJ11

is magnesium, mg, diamagnetic or paramagnetic? why?

Answers

All of the electrons in the Magnesium [tex](Mg)[/tex] atom are paired up, which makes it diamagnetic.

There are no unpaired electrons in the orbitals of diamagnetic materials because all of their electrons are paired up in these orbitals. A diamagnetic substance will weakly repel a magnetic field when it is exposed to it because the field will weakly repel all of the electrons in the substance.

The opposite is true for paramagnetic materials, which are only weakly attracted to magnetic fields because they have unpaired electrons.

Magnesium has 12 electrons in its ground state, and its electron configuration is [tex]1s^2 2s^2 2p^6 3s^2[/tex]. The Mg atom is diamagnetic because all of its electrons are coupled.

To know more about diamagnetic

brainly.com/question/15462756

#SPJ4

What is a control variable in a science experiment?

Answers

Answer:

A control variable in a science experiment is a variable that is kept constant or unchanged throughout the experiment. The purpose of a control variable is to provide a basis for comparison with the other variables in the experiment, which are being tested or manipulated. By keeping the control variable constant, scientists can isolate the effects of the other variables on the outcome of the experiment.

For example, in a study investigating the effect of different fertilizers on plant growth, the type of soil, amount of water, and amount of sunlight might be controlled variables. These variables are kept constant across all experimental groups to ensure that any differences in plant growth are due to the differences in fertilizer types being tested.

A well-designed experiment will typically have one or more control variables to ensure the validity and reliability of the results.

Explanation:

Answer:

In a science experiment, a control variable is a variable that is kept constant throughout the experiment to ensure that any observed changes or effects are due to the manipulated variable or independent variable. The control variable is used as a basis for comparison to determine if the changes observed in the experiment are due to the independent variable or if they occur naturally or due to some other external factor.

Explanation by example:

For example, in an experiment to test the effect of a new fertilizer on plant growth, the control variable may be the type of plant, the size of the pot, the amount of water, the temperature, or any other factors that could potentially affect the growth of the plant. By keeping these factors constant and only varying the amount of fertilizer used, the experimenter can determine if any observed changes in plant growth are due to the fertilizer or if they are due to other factors.

Controlling for variables in an experiment helps to ensure the accuracy and reliability of the results and allows the experimenter to draw valid conclusions from the data.

_________ enzymes are stable in part because they contain relatively low amounts of the amino acid glycine.
a. Psychrophilic b. Acidophilic c. Thermophilicd. Halophilice. Barophilic

Answers

The answer is C - Thermophilic enzymes are stable in part because they contain relatively low amounts of the amino acid glycine. Thermophilic enzymes are able to survive and remain active at high temperatures due to the low amounts of glycine they contain, which gives them increased stability and allows them to remain functional.

Enzymes- Enzymes are protein-based substances produced by living organisms. The metabolism of living things requires enzymes to function correctly.  Enzymes can speed up chemical reactions by reducing the activation energy of the reaction, enabling it to proceed at a much faster rate.

Amino acids- Amino acids are the building blocks of proteins. They are organic compounds that are both basic and acidic. There are 20 common amino acids that are found in proteins. They all have an amino group (-NH2) and a carboxyl group (-COOH) that combine to form an α-amino acid.

"enzymes", https://brainly.com/question/31134969

#SPJ11

which molecule carries the protein code from the nucleus to the ribosome?DNARNAADP

Answers

The molecule that carries the protein code from the nucleus to the ribosome is RNA, specifically a type of RNA called messenger RNA or mRNA. Here option B is the correct answer.

mRNA is synthesized from DNA during transcription, which occurs in the nucleus of eukaryotic cells. The DNA serves as a template for the mRNA, which is complementary in sequence to one of the strands of the DNA double helix. Once synthesized, the mRNA molecule carries the genetic code from the DNA to the ribosome, which is the site of protein synthesis.

At the ribosome, the mRNA is read in groups of three nucleotides called codons. Each codon corresponds to a specific amino acid, which is added to the growing protein chain according to the sequence of codons on the mRNA.

To learn more about ribosomes

https://brainly.com/question/241631

#SPJ4

Complete question:

Which molecule carries the protein code from the nucleus to the ribosome?

A - DNA

B - RNA

C - ADP

cold-blooded invertebrates that have 3 body segments and 3 pairs of legs. what is that?

Answers

The description matches that of the Phylum Arthropoda, which includes a diverse group of invertebrate animals that are cold-blooded and have a hard exoskeleton, segmented bodies, and jointed appendages.

Arthropods are the most diverse group of animals on Earth, with over a million described species.One of the most prominent classes of Arthropoda is the Class Insecta, which includes animals such as ants, butterflies, and bees. Insects have three body segments (head, thorax, and abdomen) and three pairs of legs.

However, there are also other classes of arthropods, including Crustacea (lobsters, crabs, and shrimp), Arachnida (spiders, scorpions, and ticks), and Myriapoda (centipedes and millipedes), each with their own unique characteristics and adaptations.

To learn more about invertebrates refer to

brainly.com/question/14583479

#SPJ4

Help with this graph please

Answers

Line graphs show the change of a dependent variable (i.e. animal's weight) over time. 1) Graph in the attached files. 2) the new food does not boost the cows' growth rate.

What are line graphs?

Line graphs are representations of how the recorded data changes through time or distance. These graphs are used to show events that change in a continuous interval or time-lapse. They allow analyzing how these changes occur.

This representation is set in a cartesian graph, placing one of the variables on the horizontal axis and the other variable on the vertical axis. Usually, time or distance (the continuous variable) is placed on the X-axis, while the associated dependent variable is placed on the Y-axis.

Dots are drawn in the intersection between the two variables, and a continuous line is drawn joining these dots to show the change of values between time (or distance) intervals.

In the exposed example,    

1) You will find the graph in the attached files

2) Even when a slight difference between Bessie and Berta's weights was observed during June, July, and August, both of their weights were the same at the end of the experiment.

These results suggest that the new food does not really boost the growth rate of cows, otherwise Bessie, who received the food, would have reached 400 Isb earlier than Berta. If this was the case, by August, Bessie would weigh more than Berta.

In conclusion, according to the animals weight at the begining and at the end of the experiment, the new food does not boost the cows' growth rate.

You can learn more about line graphs at

https://brainly.com/question/13298277

#SPJ1

inflammation of the small intestine caused by ingesting substances contaminated with viral and bacterial pathogens

Answers

Gastroenteritis is a type of inflammation and swelling of the small intestine caused by ingesting substances contaminated with viral and bacterial pathogens.

Viral gastroenteritis is the most common cause of gastroenteritis and is usually caused by rotaviruses, noroviruses, and astroviruses while bacterial gastroenteritis is caused by bacteria such as Escherichia coli, Salmonella, Campylobacter jejuni, and Shigella. It is typically spread through the ingestion of contaminated food or water whose symptoms include infectious gastroenteritis include nausea, vomiting, diarrhea, abdominal pain and cramps, fever, and dehydration. Treatment for infectious gastroenteritis typically involves the replacement of fluids and electrolytes, as well as rest and avoiding certain foods that may irritate the digestive system.

To learn more about pathogens click here https://brainly.com/question/13051879

#SPJ4

Which of the following statements best describes nucleotide excision?A) A single damaged base is removed and replaced with a new base
B) A region of single stranded DNA containing bulky damaged nucleotides is removed and replaced with new DNA
C) A region of double-stranded DNA containing bulky damaged nucleotides is removed and replaced with new DNA
D) A single damaged nucleotide is removed and replaced with a new nucleotide

Answers

The best statement that describes nucleotide excision is that a region of double-stranded DNA containing bulky damaged nucleotides is removed and replaced with new DNA.

What is nucleotide excision? Nucleotide excision is one of the many mechanisms by which cells repair DNA. It is a type of repair mechanism that corrects DNA damage caused by chemicals, radiation, and other environmental factors. A region of double-stranded DNA containing bulky damaged nucleotides is removed and replaced with new DNA.

Nucleotide excision repair is the process of repairing damaged DNA by removing a damaged region of the DNA and filling in the gap with newly synthesized DNA. During this process, proteins detect the damaged section of DNA and remove a small section of the strand containing the damage.

The new DNA is synthesized using the other undamaged strand as a template.

To know more about nucleotide excision, refer here:

https://brainly.com/question/29805314#

#SPJ11

to produce a human gene in goat's milk, you would fuse: please choose the correct answer from the following choices, and then select the submit answer button. answer choicesA. the coding region of a human gene to the coding region of a goat gene. B. regulatory elements from a protein produced in goat's milk to the coding region of the human gene. C. regulatory elements from a human protein to the human coding region. D. regulatory elements from a human protein to the coding region of a protein produced in goat's milk. E. the regulatory elements from a goat-milk protein to the regulatory elements from a human protein.

Answers

Regulatory elements from a human protein to the coding region of a protein produced in goat's milk. The correct answer is D.

This process involves combining the regulatory elements from a human protein with the coding region of a protein that is produced in goat's milk. The combination of these elements results in a new gene which can be expressed in goat's milk.

To produce a human gene in goat's milk, you would fuse the coding region of a human gene to the coding region of a goat gene. Gene expression is the process by which genetic instructions are transformed into a functional gene product such as a protein. The gene expression process, which includes transcription and translation, enables an organism to produce the necessary protein required for life. To produce a human gene in goat's milk, a human gene coding region must be fused with the coding region of a goat gene.

Therefore, The correct answer is D. regulatory elements from a human protein to the coding region of a protein produced in goat's milk.

To know more about Protein please visit :

https://brainly.com/question/884935

#SPJ11

Sort each item as a characteristic of respiration, fermentation, or both. Characteristics (9 items)
High ATP yield; most from oxidative phosphorylation
Most carbon released as CO2
Electrons reduce an external electron acceptor (e.g., O2).
Low ATP yield; primarily from glycolysis
Electrons from catabolism end up back on partially oxidized substrate.
Most carbon remains in organic form.
Important for catabolism of sugars
NADH major electron carrier
Pyruvate is major intermediate.

Answers

High ATP yield; most from oxidative phosphorylation: This characteristic is specific to respiration. In respiration, the electron transport chain is involved in the generation of ATP, and most of the ATP is produced through oxidative phosphorylation.

Most carbon released as CO2: This characteristic is specific to respiration. During respiration, the carbon from the organic molecules is completely oxidized, and most of it is released as CO2.

Electrons reduce an external electron acceptor (e.g., O2): This characteristic is specific to respiration. In respiration, oxygen or other external electron acceptors act as the final electron acceptors, and electrons are transferred to them during the electron transport chain.

Low ATP yield; primarily from glycolysis: This characteristic is specific to fermentation. In fermentation, ATP is primarily produced through glycolysis, which has a low ATP yield.

Electrons from catabolism end up back on partially oxidized substrate: This characteristic is specific to fermentation. In fermentation, the electrons from the catabolism of organic molecules end up back on partially oxidized substrates such as pyruvate or acetaldehyde.

Most carbon remains in organic form: This characteristic is specific to fermentation. In fermentation, most of the carbon from the organic molecules remains in organic form, and only a small amount is released as CO2.

Important for catabolism of sugars: This characteristic applies to both respiration and fermentation. Both processes are important for the catabolism of sugars, which involves the breakdown of complex organic molecules to release energy.

NADH major electron carrier: This characteristic applies to both respiration and fermentation. In both processes, NADH is an important electron carrier, which plays a crucial role in transferring electrons during the breakdown of organic molecules.

Pyruvate is major intermediate: This characteristic applies to both respiration and fermentation. In both processes, pyruvate is a major intermediate, which is produced during glycolysis and serves as a precursor for further metabolic pathways.

To learn more about  ATP refer to

brainly.com/question/14637256

#SPJ4

Based on DNA evidence showing the presence of mitochondrial genes, microsporidia have been moved to the fungal kingdom from which of the following?
Plant kingdom
Animal kingdom
Protist kingdom

Answers

Based on DNA evidence showing the presence of mitochondrial genes, microsporidia have been moved to the fungal kingdom from the Protist kingdom. Thus, the correct option is C.

What are microsporidia?

Microsporidia are a group of unicellular parasites that are classified as fungi. They are found in a variety of environments, including freshwater and soil. These parasitic fungi infect a wide range of animals, including insects, crustaceans, and mammals such as humans.

Microsporidia are spore-forming parasites that reproduce within host cells' cytoplasm. They have a unique organelle called the polar tube, which they use to infect host cells. The classification of microsporidia was formerly uncertain. They were believed to be members of the protist kingdom because they were unicellular and had unique characteristics that differentiated them from other eukaryotes.

However, based on DNA evidence showing the presence of mitochondrial genes, they were moved to the fungal kingdom.

Therefore, the correct option is C.

Learn more about Microsporidia here:

https://brainly.com/question/4308157

#SPJ11

can mandalorians remove their helmets in front of their spouse

Answers

In the Star Wars universe, mandalorians are a fictional culture of warriors who wear distinctive helmets as a part of their code of honor and identity.

According to the Mandalorian Creed, "This is the way," they are not supposed to remove their helmets in front of anyone, as it is a sign of vulnerability and an act of disrespect to their traditions. However, there have been instances where Mandalorians have removed their helmets in front of their spouse or significant other, as they consider them to be a part of their family and clan. So, while it goes against the traditional code, it is not entirely impossible for a Mandalorian to remove their helmet in front of their spouse.

To know more about mandalorians click here:

brainly.com/question/30299013

#SPJ4

If no new mutations occur, it would be 1 point most reasonable to expect bacterial growth on which of the following plates? * A scientist is using an ampicillin-sensitive strain of bacteria that cannot use lactose because it has a functional gene in the fac operon. She has two plasmids. One contains a functional copy of the affected gene of the lac operon, and the other contains the gene for ampicillin resistance. Using restriction enzymes and DNA ligase, she forms a recombinant plasmid containing both genes. She then adds a high concentration of the plasmid to a tube of the bacteria in a medium for bacterial growth that contains glucose as the only energy source. This tube (+) and a control tube- with similar bacteria but no plasmid we both incubated under the appropriate conditions for growth and plasmid uptake. The scientist then spreads a sample of each bacterial culture (+and) on each of the three types of plates indicated below Glucose Medium Glucose Medium with Ampicillin Glucose Medium with Ampicillin and Lactos Bacterial serin with added plasmid #2 Bacterial strain with no plasmid 4 4 and 6 only 4, 5 and 6 only 3 and 4 only 1 and 2 only О 1, 2, 3 and 4 only

Answers

If no new mutations occur, the most reasonable plates to expect bacterial growth on are 1 and 2 only.

This is because the bacteria in tubes 1 and 2 have been exposed to the recombinant plasmid containing the gene for ampicillin resistance and the functional copy of the affected gene of the lac operon. Therefore, the bacteria in these tubes will be able to grow on glucose medium with ampicillin and lactose medium. The bacteria in tubes 3 and 4 have not been exposed to the recombinant plasmid and therefore, they will not be able to grow on glucose medium with ampicillin and lactose medium.

More on mutation: https://brainly.com/question/30357229

#SPJ11

Meiosis and mitosis are both forms of cell division. However, the outcomes of these processes differ. Consider a diploid organism with two sexes. Select the reasons why meiosis typically produces genetic variation, whereas mitosis does not.

Answers

Meiosis and mitosis are both forms of cell division. However, the outcomes of these processes differ. Meiosis produces genetic variation.

Homologous chromosomes move randomly to opposite poles of the cell during metaphase of meiosis I. Random fertilization of gametes leads to offspring with various combinations of genetic traits. Synapsis and crossing over occur during prophase I of meiosis, resulting in the formation of new gene combinations. During metaphase of meiosis I, homologous pairs line up randomly along the metaphase plate. During the production of gametes in a diploid organism, meiosis takes place. Meiosis leads to genetic variability in the offspring. Each gamete contains only one set of chromosomes, which results in haploid cells. During meiosis, homologous chromosomes exchange genetic material, allowing for the creation of novel combinations of genes. Thus, meiosis typically results in genetic variation.

however , Mitosis does not typically produce genetic variation since the parent cell and the resulting daughter cells contain the same number of chromosomes and have the same genetic makeup. Mitosis results in genetically identical daughter cells. Hence, mitosis doesn't lead to genetic variation.

To know more about cell division please visit :

https://brainly.com/question/24271770

#SPJ11

you are part of a mission sent to colonize a new planet, named planet x. the atmospheric composition of planet x is very similar to that of earth. your team begins work to investigate the new planet, finding new species of plants and animals. your team botanist, dr. flowers, is measuring the photosynthesis of the local plants. her hypothesis is the end products of photosynthesis in the planet x plants will be the same as the end products of earth plants. which of the following would she expect to see from the plants on planet x? a. h2o and o2 b. c6h12o6 and h2o c. co2 and h2o d. c6h12o6 and o2 e. co2 and c6h12o6

Answers

The botanist, Dr. Flowers, would expect to see C6H12O6 and O2 as the end products of photosynthesis in the plants on Planet X. The correct option is (d).

Dr. Flowers, a botanist, is measuring the photosynthesis of local plants on Planet X. Her hypothesis is that the end products of photosynthesis in Planet X's plants will be the same as those of Earth's plants.

If Dr. Flowers' hypothesis is correct,  C6H12O6 and O2, would be anticipated from the plants on Planet X if Dr. Flowers' hypothesis that the end products of photosynthesis in Planet X's plants will be the same as those of Earth's plants is correct.

The primary output of photosynthesis is glucose or sugar (C6H12O6) and oxygen (O2). 6 CO2 + 6 H2O + light energy → C6H12O6 + 6 O2. This equation of photosynthesis shows that carbon dioxide (CO2) and water (H2O) are used in photosynthesis, whereas oxygen (O2) and glucose (C6H12O6) are released as products.

Therefore, Dr. Flowers' hypothesis is that Planet X's plants, like Earth's plants, will produce glucose and oxygen as photosynthesis end products. Hence, option D is correct.

Learn more about photosynthesis here:

brainly.com/question/29764662

#SPJ11

There muscles extend from the pubis and ischium anteriorly to the sacrum and coccyx posteriorly. They control the evacuation of waste materials from the digestive and urinary systems.
A- muscles of the abdominal wall
B- Muscles of the vertebral column
C- Muscles of the pelvic floor
D- Muscles of the pharynx
E- Muscles of the perineal floor

Answers

The muscles that extend from the pubis and ischium anteriorly to the sacrum and coccyx posteriorly are known as the muscles of the pelvic floor. The correct option is C.

These muscles are responsible for the control of the evacuation of waste materials from the digestive and urinary systems.

In addition to helping control waste elimination, the muscles of the pelvic floor are also responsible for supporting the organs within the pelvis, including the bladder and uterus.

They also play a role in sexual function and pleasure. Dysfunction of the pelvic floor muscles can lead to a variety of issues, including urinary and faecal incontinence, pelvic organ prolapse, and sexual dysfunction.

To know more about pelvic floor, refer here:

https://brainly.com/question/12993899#

#SPJ11

Which statement about nuclear fusion is correct?

Answers

Helium nuclei can fuse to form elements such as nitrogen.

What is nuclear fusion?

Nuclear fusion is a process in which atomic nuclei combine to form a heavier nucleus, releasing a large amount of energy in the process. This occurs when the atomic nuclei of light elements such as hydrogen or helium are brought close enough together at extremely high temperatures and pressures to overcome the natural repulsion between positively charged nuclei. The process of nuclear fusion is the fundamental energy source of stars, including our sun. In stars, fusion occurs in the core, where temperatures and pressures are high enough to overcome the electrostatic repulsion between atomic nuclei. When hydrogen nuclei fuse together, they form helium nuclei and release energy in the form of light and heat. Nuclear fusion is a potential source of clean and virtually limitless energy on Earth. However, it is difficult to achieve because of the high temperatures and pressures required to initiate and maintain the reaction. Scientists are working on developing practical methods for nuclear fusion, which could provide a safe, sustainable, and low-carbon source of energy for the future.

Here,

In the case of helium nuclei, also known as alpha particles, they can combine to form heavier elements such as carbon, nitrogen, and oxygen. This process is known as helium burning and occurs in the cores of stars with sufficient mass. The other statements are incorrect. Hydrogen electrons do not become protons during fusion, as electrons are not involved in the process. The fusion reaction does not last for several hundred years, but rather occurs on a much shorter timescale. Large nuclei do not break apart during fusion, but rather combine to form heavier nuclei.

To know more about nuclear fusion,

https://brainly.com/question/7508702

#SPJ1

Complete question:

Which statement about nuclear fusion is correct?

Two hydrogen electrons become protons during fusion.

Helium nuclei can fuse to form elements such as nitrogen.

The fusion reaction lasts for several hundred years.

Large nuclei break apart to form smaller nuclei.

Other Questions
assume a marketing campaign targets the market of consumers who have already purchased their product. which market segment is the company targeting? Place the steps of the marketing research approach in the correct order. NOTE: The first step should be the top item in your list.1. Define the problem2. Develop the research plan3. Collect relevant information4. Develop findings5. Take marketing actions Alice holds a small battery operated device used for tuning instruments that emits the frequency of middle C (262 Hz) while walking with a constant speed of 4.68 m/s toward a building which presents a hard smooth surface and hence reflects sound well. (Use343 m/s as the speed of sound in air.)(a) Determine the beat frequency Alice observes between the device and its echo. (Enter your answer to at least 1 decimal place.)(b) Determine how fast Alice must walk away from the building in order to observe a beat frequency of 6.19 Hz. jem is changing and growing up and trying to live up to the idea of being a gentlemen, what does this idea mean? what is the name of the event that sold weapons to iran to free hostages and using the money to fund war in central america HELP ASAP Do a quick internet search for personal values and select the ones that speak to you the most. Choose 5-10 of your listed values and reflect on how they impact your health practices and behaviors. Write a 200- to 250-word reflection about how each of these values influences your personal health. The point of view in the excerpt best supports which of the following historical arguments about United States involvement in the First World War before 1917 ? in parts of canada, you will find both english-speaking communities and french-speaking communities. this illustrates that language helps shape the way people perceive the world, and it also helps define blank . 6. Which of the following is an example of secondary source of collecting data used in academic writing? a. responses to questionnaire c. views of informants b. research articles d. field survey information OIL [Questions 7-10] You're studying a population in which there are three alleles for gene A(a1,a, and a3). At the beginning of your study, each allele was present in equal numbers of individuals. Lab studies find that the genotype at this locus has no measurable effect on an individual's fitness. As you monitor the population over time, you see the frequency of a1 and a3 eventually drop to0%. For each of the following statements, mark A for True or B for False: 7. Assortative mating is the most likely reason that allelesa1anda3became lost. 8. Allelesa1and a3 must be associated with an increased mutation rate. 9. Individuals that are homozygous for a 2 must have a selective advantage in this population. 10. Alleles a 1 and a 3 alleles may have become lost from the population due to genetic drift. what standards are applicable for a compilation of the historical financial statements of a nonissuer? statements on standards for accounting and review services (ssarss). generally accepted auditing standards (gaas). statements on standards for attestation engagements (ssaes). statements on auditing standards (sass). 12. Another editor to make a web page is called __________ which allows a web page to be created visually. I NEED HELP BAD [o[2]. [2] A parachute opens during the spacecrafts descent through the atmosphere. Figure 2 shows the parachutespacecraft system, with the open parachute displacingthe atmospheric gas. This causes the system to decelerate. Figure 2_-- displacement of gasparachute \direction \of travel \/. . ~ spacecraftdisplacement of gasExplain, with reference to Newton's laws of motion, why displacing the atmosphericgas causes a force on the system and why this force causes the system todecelerate. [4 marks] Can someone actually see if I got this answer correct please T/F. When speaking persuasively, it is ethical to omit relevant facts that support alternative viewpoints in an effort to bolster one's argument Which of the following would not lead to a shift in the demand curve for bananas?a. an increase in the price of orangesb. a decrease in incomes for consumersc. a decrease in the price of bananasd. an increased preference for bananas The linear sf of two similar shapes is 2:5 if the area of the similar shapes is 78cm determine the area of the bigger solid Dorris deposits $200 into a savings account that has a simple interest rate of 4. 1% Max deposits 300 dollars into a savings account that has a simple interest rate of 1. 9%, who earn more interest in 15 months round to the nearest cent if necessary factoring integers with sublinear resources on a superconducting quantum processor leadership emphasizes increased service to others; a holistic approach to work; promoting a sense of community; and the sharing of power in decision-making. question 7 options: a) actual b) situational c) charismatic d) servant e) transformational