Union of haploid and diploid gamete results in a zygote that is
Answer:
Triploid
Explanation:
The process whereby gametes produced by different sexes of the same species of organism come together is called FERTILIZATION. A gamete is said to be HAPLOID (n) if it contains one set of chromosomes while it is DIPLOID (2n) if it contains two sets of chromosomes.
Hence, if an haploid (n) and diploid (2n) gamete unites, a zygote that is TRIPLOID (3n) emerges or forms. A triploid zygote will have three sets of chromosomes i.e. n + 2n = 3n.
How does the length of the axon in a relay neurone differ from the axon in both a sensory and a motor neurone
Answer:
Relay neurons are interneurons that connect brain regions and near neurons, so their axons are shorter than the ones of a motor or sensory neurons which need to be very long as they travel long distances to reach target organs
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What do you observe about the structure
of the white blood cell? How do you think
this is related to its function of trapping
pathogens in the body?
Please help I’ll give brainlyiest
Answer:
White blood cells engulf and digest pathogens and any other unknown material in the blood and tissues. They engulf the pathogen into a vesicle called a phagosome. This fuses with a lysosome and the enzymes break down the pathogen.
White blood cells foremostly recognize any pathogen or foreign substance in the body and then engulf it with the help of receptors like Toll-like receptors. Finally, the killing of antigen takes place by phagocytosis.
What do you mean by Pathogens?Pathogens may be defined as any microorganisms which are capable of inducing diseases in other living organisms.
After engulfing, the antigen is packed under a vesicle known as a phagosome. This phagosome is then treated with lysosomes to form a structure known as phagolysosomes.
Thes phagolysosomes are responsible for the breakdown of antigen, which is then presented by MHC molecules to perform perforin-granzyme mediated killing of antigen.
Therefore, it is well described above.
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Match the body systems and interaction descriptions:
1. Circulatory and Respiratory
2. Digestive and Circulatory
3. Nervous, Muscular, and Skeletal
4. Circulatory and Integumentary
5. Muscular and Digestive
6. Respiratory and Muscular
7. Circulatory and Skeletal
8. Excretory and Circulatory
9. Nervous and Integumentary
10. Muscular and Circulatory
_. Nutrients pass into the circulatory system to be carried to body cells
_. Lungs supply oxygen carried by blood to cells of the body
_. Production of blood cells in bone marrow
_. Chewing, swallowing and movement of food through the digestive tract
_. Pumping of the heart & blood
_. Daily movement and coordination
_. Kidneys remove wastes from blood
_. Cooling through dilation of blood vessels near the surface of the skin
_. Sense of touch
_. Movement of the diaphragm in breathing
2. Nutrients pass into the circulatory system to be carried to body cells
1. Lungs supply oxygen carried by blood to cells of the body
7. Production of blood cells in bone marrow
5. Chewing, swallowing and movement of food through the digestive tract
6. Pumping of the heart & blood
3. Daily movement and coordination
8. Kidneys remove wastes from blood
4. Cooling through dilation of blood vessels near the surface of the skin
9. Sense of touch
10. Movement of the diaphragm in breathing
There are numerous parts to the human body. Every physical portion serves a distinct purpose.
What is body systems and their interaction?There are numerous parts to the human body. Every physical portion serves a distinct purpose. To better comprehend how the human body's components interact with one another and work together as a whole, scientists divide the body into systems. A group of bodily parts that cooperate to carry out a specific task is known as a body system.
For instance, the integumentary system, that shields the body from its surroundings, is made up of the skin, hair, and nails. Another instance of an organ that guards the body is the immune system.
1. Lungs supply oxygen carried by blood to cells of the body
2. Nutrients pass into the circulatory system to be carried to body cells
3. Daily movement and coordination
4. Cooling through dilation of blood vessels near the surface of the skin
5. Chewing, swallowing and movement of food through the digestive tract
6. Pumping of the heart & blood
7. Production of blood cells in bone marrow
8. Kidneys remove wastes from blood
9. Sense of touch
10. Movement of the diaphragm in breathing
Therefore, there are numerous parts to the human body. Every physical portion serves a distinct purpose.
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Which process BEST explains how DNA is replicated?
A)
DNA is conservative. The original strands of nucleotides do not separate. A
copy composed of two new strands containing all of the new DNA base
pairs is produced to come together.
DNA is semi-conservative. The original strands of nucleotides do not
separate. A copy composed of two new strands containing all of the new
DNA base pairs is produced to come together.
B)
DNA is semi- conservative. The original strands of nucleotides do not separate. A copy composed of two new strands containing all of the new DNA base pairs is produced to come together.
C)
DNA is semi-conservative. The two strands of nucleotides separate. It
produces two copies of the original DNA molecule, each of which contains
one of original strand, and one new strand.
D)
DNA is dispersive. The original DNA chain breaks and recombines in a
random fashion before the double helix structure unwinds and separates to
act as a template for messenger RNA synthesis.
Answer:
C)
DNA is semi-conservative. The two strands of nucleotides separate. It
produces two copies of the original DNA molecule, each of which contains
one of original strand, and one new strand.
The statement that best explains the process of replication is statement C.
What do you mean by DNA replication?DNA replication may be defined as the process by which a molecule of DNA is duplicated, where a parental strand gets divided into two daughter strands.
DNA is semi-conservative. The two strands of nucleotides separate. It produces two copies of the original DNA molecule, each of which contains one of the original strand, and one new strand.
Therefore, the statement that best explains the process of replication is statement C.
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The number of different species in an area is called species diversity or _________.
Please help, I'll give brainlist...
Answer:
Explanation:
biodiversidad
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Which animal will use a hollowed-out tree stump as a home?
O A) a beaver
OB) a bear
OC) an eagle
OD) a rabbit
When California recently (June 2015) passed a law banning the personal belief exemption of routine childhood vaccines Jim Carrey recently posted (June/July 2015) a series of tweets about thimerosal (a form of mercury) used as a preservative in vaccines. Is it true that there is no convincing scientific evidence that thimerosal causes harm by the low doses of thimerosal in vaccines, except for minor reactions like redness and swelling at the injection site?
Answer:
Yes, there is no convincing scientific evidence that thimerosal causes harm by the low doses of thimerosal in vaccines, except for minor reactions like redness and swelling at the injection site
Explanation:
Thimerosal has been used safely as a vaccine additive, added to some vaccines to prevent germs like bacteria and fungi from growing in them dated since early 1930s. Though, Thimerosal contains mercury but the type of mercury doesn’t stays in the body, and is unlikely to make human fall sick.
Most people doesn't have any allergic reaction to it except for redness and swelling at the injection site as early mentioned and this is considered irrelevant when compared to effect of vaccine when contaminated by germ which could cause serious illness or death.
Explain why it is always necessary to de-starch a plant
Platinum is a catalyst humans use in fuel cell. Although for green energy humans use some bacteria that releases enzymes such as hydrogenase to perform functions as platinum in fuel cell. This is an example of
a. Biofilm
b. Biosensing
c. Biomimicry
Answer:
B
Explanation:
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Bc
Answer:
What do you need help with?
HELP PLS!!! (PSYCHOLOGY) I'LL GIVE YOU BRAINLIEST IF UR RIGHT!!
Nate is a teacher who has been in the dassroom for 25 years. When a new teacher is hired, he offers to be a mentor because he loves helping new teachers get inspired about working with children. He wants to help make sure that the teaching profession remains high quality. How would Erikson MOST likely describe Nate's efforts?
A.) Nate is working en generativity.
B.) Nate is working on ego integrity.
C.) Nate is working on intimacy.
D). Nate is working on acceptance
Answer:
A.) Nate is working on generativity
Explanation:
Generativity is the ability to provide care or concern for younger or older genrations. Nate offers to be the mentor because he loves helping the new teachers get inspired about working with children. According to Erik Erikson theory of psychosocial development, generativity can refer to "making your mark" or impact on the world through creating or nurturing things that will outlast in an individual/individuals.
In rabbits, black fur (B) is dominant to white fur (b) A purebred black furred male is bred with a female that had the recessive white fur
Answer:
BB x bb
Bb
Bb
Explanation: When a purebred dominant trait is bred with a purebred recessive trait then the offspring will always have the dominant and recessive trait.
WILL GIVE BRAINLIEST.Read the passage. Seth sat at the piano, and I saw him take a deep breath. Sweat was dripping off of his brow, and his left hand was twitching slightly—the obvious result of nerves. He took another deep breath and slowly, painfully exhaled. Then, he gently placed his hands on the keys and his fingers began to move gracefully up and down the keyboard. What emerged was the most beautiful music I had ever heard. Why is this passage an observation? It tries to reflect the everyday lives of ordinary people. It describes an event the writer has witnessed. It reveals a deep truth about a character. It portrays the physical appearance of a person.
Answer:
2.
Explanation:
it describes an event the writer has witnessed
Which symbol represents a dominant allele?
t
Tt
T
tt
Answer:
Tt
Explanation:
Water lilies float on the surface of ponds. They grow in shallow ponds, so the roots of the plant can grow down into the mud at the bottom of the pond. Water lilies need about 4–6 hours of sunlight each day, and grow best in tropical areas.
Which statement best explains why water lilies cannot survive in the marine biome?
A.
The marine biome has an average yearly rainfall that is too high.
B.
The water in the marine biome is salt water rather than fresh water.
C.
The water in the marine biome is fresh water rather than salt water.
D.
The marine biome has an average yearly rainfall that is too low
Answer:
B
Explanation:
A is false
C is false
D is false
Provide an explanation for why the indigo dye did not adhere to the different fibers in your test fabric. You will need to do a little bit of outside research on what chemicals make up some of the fibers. You may also need to do some research on intermolecular forces and why some interactions are stronger than others. Please make your explanation at least 500 words in two or more paragraphs. At least one in-text citation is required along with a list of your source(s) in your preferred citation style (MLA, APA, ACS, Chicago Style, etc.).
Answer:
Due to lack of bonds.
Explanation:
The indigo dye did not adhere to the different fibers because the indigo dye did not make bonds with the fiber, it only attached to it physically for temporary period of time. The reduced state is also necessary for indigo because indigo cannot dissolve in water, but when it is reduced it can soluble and able to get inside a fiber to make physical bond with the fiber. Some interactions are stronger than others because of the presence of strong bond between the two different materials so strong bonding makes the materials to attach with each other for a long period of time or permanently.
Answer and I will give you brainiliest
Answer:
Answer is in picture.
Explanation:
Hope it is helpful.....
Codons are found on
while anticodons are found on
mRNA, RNA
DNA, mRNA
mRNA, DNA
tRNA, mRNA
Answer:
Anticodons are found in tRANA
Codons are found in RNA
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The modern cell theory doesn't say
A all living things are multicellular
B cells are the smallest living unit in all organisms
C all cells come from other cells
D all living things are made of cells
Answer:
A
Explanation:
Modern cell theory states: cells are the basic unit of structure and function for all living things, all cells come from preexisting cells, and all living things are made from cells. It does not state that all living things are multicellular, in fact there are plenty of unicellular organisms. Therefore the answer is A.
gene mutations can occur
a. exposure to chemical mutagens
b. exposure to gamma radiations
Answer:
b
Explanation:
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The table below shows the number of rabbits living in an area of forest over 4 different generations. The table also breaks down their population size by fur color. Which statement below gives the best explanation of this data?
image link: https://imagebank.illuminateed.com/imagebank/1357110
Answer:
In a forest the brown rabbit would be the best
Explanation:
Answer:
C
Explanation:
PLSS HELP
Look at the picture and answer the question(s) that follow.
Which of these strata are MOST likely the oldest?
-J and E
-K
-A and F
-D and E
Figure out which step in the scientific method is being used.
"If eating celery burns more calories than the celery contains, then I will lose weight if I eat lots of celery."
Answer:
Hypothesis
Explanation:
It uses an if then system, which is commonly used when creating hypothesises.
3 This is the menstrual phase wherein pregnancy is possible.
c) menstrual phase
d) ovulation phase
a) Tollicular phase
b) luteal phase
wires a woman for pregnancy.
Answer:
ovulation phase
Explanation:
The ovulation phase is the only time during your menstrual cycle when you can get pregnant. You can tell that you're ovulating by symptoms like these: a slight rise in basal body temperature
d) ovulation phase
Its called ovulation due to the egg leaving to ovary to then be fertilized by a sperm. Although it is possible for a woman to get pregnant during anytime in her cycle. I hope this helped a bit.
The text box below contains facts about salmon:
juvenile salmon migrate from freshwater streams and rivers to the ocean.
in the ocean, juvenile salmon d.r.i.n.kk. salt water.
Special cells on the salmon's gills called chloride cells help the salmon to excrete salt.
How do populations of juvenile salmon respond to changes in salinity as they migrate?
The juvenile salmon utilize special structures but do not alter their behavior.
The juvenile salmon alter their behavior and utilize special structures.
The juvenile salmon utilize special structures to alter their behavior.
The juvenile salmon alter their behavior but do not utilize special structures.
Answer:
due to the salmons body and biology the salinity doesnt matter because they can change whats around them using the salt from inside their body
Explanation:
they both utilize and alter behavior
The populations of juvenile salmon respond to changes in salinity as they migrate the juvenile salmon utilize special structures to alter their behavior. Therefore, option C is correct.
What is salinity ?The amount of dissolved salt in a body of water is known as salinity. It makes a significant contribution to conductivity and influences many aspects of the chemistry of natural waters as well as the biological activities that take place there.
In soils and seas, primary salinity is a natural occurrence. Salt lakes, salt pans, salt marshes, and salt flats are a few examples of naturally occurring salty landscapes. Salting caused by human activity, typically land development and agriculture, is known as secondary salinity.
Salinity is the buildup of salt to a degree that harms the built environment and the ecosystem in general. While there are many areas of the Australian terrain that are naturally salty, human activity has the potential to raise salt levels. Water and salinity go hand in hand.
Thus, option C is correct.
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Which of the following best explains why the biosphere is a key component of the Earth’s systems?
a.
The biosphere is a key component of the Earth’s systems because it is a common concept to many disciplines in science.
b.
The biosphere is a key component of the Earth’s systems because the seasonal cycles directly affect primary productivity.
c.
The biosphere is a key component of the Earth’s systems because it helps drive the other systems by interacting with and exchanging matter and energy with the other spheres.
d.
The biosphere is a key component of the Earth’s systems because it has evolved to create the chemical composition of the planet we know today.
Please select the best answer from the choices provided
A
B
C
D
Answer:
c. The biosphere is a key component of the Earth’s systems because it helps drive the other systems by interacting with and exchanging matter and energy with the other spheres.
Explanation:
What’s the use of short tandem repeat?
Answer: Ok So A short tandem repeat is a microsatellite with repeat units that are 2 to 7 base pairs in length, with the number of repeats varying among individuals, making STRs effective for human identification purposes.STRs are extremely useful in applications such as the construction of genetic maps (49), gene location, genetic linkage analysis, identification of individuals, paternity testing, as well as disease diagnosis 50., 51.. STR analysis has also been employed in population genetics.
Hope this helps have a awesome night/day❤️✨Explanation:
Muscle tissues are made of specialized unitss called?
Answer:
Each skeletal muscle fiber consists of a bundle of myofibrils, which are bundles of protein filaments. The filaments are arranged in repeating units called sarcomeres, which are the basic functional units of skeletal muscles.
Explanation:
Answer:
skeletal muscle
Explanation: