Which statement about the structure of DNA is NOT true?

Long strands of DNA are twisted in the form of a double helix.
Long strands of DNA are twisted in the form of a double helix.

DNA contains four different nitrogen bases including adenine, guanine, cytosine, and uracil.
DNA contains four different nitrogen bases including adenine, guanine, cytosine, and uracil.

DNA is made of linked nucleotides which are each made of a sugar, a phosphate and a nitrogen base.
DNA is made of linked nucleotides which are each made of a sugar, a phosphate and a nitrogen base.

DNA consists of two strands joined together by complementary base pairing.

Answers

Answer 1

Answer:

DNA contains four different nitrogen bases including adenine, guanine, cytosine, and uracil.

Uracil is in RNA not DNA

Answer 2

Answer:

DNA consists of two strands joined together by complementary base pairing.


Related Questions

Greg Developed and Ear infection. His doctor gave him an antibiotic. The antibiotic killed all the bacteria in his body. What other effect could the antibiotic have

Answers

Antibiotics can have side effects.
When children take antibiotics at the first sign of an ear infection, they are more likely to have vomiting, diarrhea, and allergic reactions because of the medicine. Also, antibiotics can kill “friendly” germs in the body and cause other problems like diarrhea.

Over-use of antibiotics is a problem.
Antibiotics can help drug-resistant bacteria grow. These bacteria are harder to kill. They can cause illnesses that are harder to cure and more costly to treat. This increases the risk of complications and side effects. The resistant bacteria can also infect other people.

Hope this helps

Some of the antibiotics doctors prescribe to treat an ear infection such as  amoxicillin, cortisporin (neomycin/hydrocortisone) solution or suspension.

What is infection?

The infection is invasion and growth of germs in the body. The germs can be bacteria, viruses, yeast, fungi, or other microorganisms. Infections can begin anywhere in the body and may spread all through it.

Antibiotics can have side effects as when children take antibiotics at the first sign of an ear infection, they are more likely to have vomiting, diarrhea, and allergic reactions because of the medicine. Also, antibiotics can kill “friendlygerms in the body and cause other problems like diarrhea.

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can I please get help with it ​

Answers

you search it

or ask your parent

UAA is a codon that signals to stop making a protein, and so it is therefore called a ______

Answers

Answer:

stop codon

hope this helps, good luck :)

UAA is a codon that signals to stop making a protein, and so it is therefore called a stop codon.

What is a codon?

Codon may be characterized as a sequence or collection of three consecutive nucleotides in a DNA or RNA molecule that significantly codes for a specific amino acid. These sequences of nucleotides give a signal to the start or end of translation.

A stop codon is also a sequence of three nucleotides (a trinucleotide) in DNA or messenger RNA (mRNA) that specifically signals a halt or inhibits to protein synthesis in the cell. Out of 64 different trinucleotide codons, there are only three stop codons are there, namely UAA, UAG, and UGA.

The start codon is the initial set of codons in an mRNA transcript that is translated by a ribosome. CAG is a start codon. Nonsense codons also play an important role.

Therefore, UAA is a codon that signals to stop making a protein, and so it is therefore called a stop codon.

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Where is glucose stored in the body.​

Answers

Explanation:

Glucose is stored in the liver.

How have plants adapted to different environmental conditions?

Answers

Answer:

Plants adapt to their environment from necessity. Plants may also adapt by growing lower and closer to the ground to shield themselves from wind and cold. Desert environments may have some of the following adaptations, these help the plant to conserve food, energy and water and still be able to reproduce effectively.

Explanation:

8 Cloning is one type of biotechnology. Which of these choices is an example of
cloning?
A Certain chickens are bred for their distinctive feather color.
B Several copies of a fruit fly gene are produced in a laboratory.
C Plants with red flowers are bred with plants with blue flowers.
D Yeast cells are placed under an ultraviolet lamp, causing their DNA to mutate.

Answers

Answer:

B) Several copies of a fruit fly gene are produced in a laboratory

Groundhogs sometimes eat garden vegetables such as these peppers. Once the pepper has been eaten and digested, the seeds exit the animal through its waste. In what way does this help the pepper plants?​

Answers

Animal feces act as a very good nutrient for plants. So if a groundhog ate, digested, then deficated the seeds they would grow much healthier due to them being in groundhog feces

Which of the following is formed when a group of tissues works together to perform a common function ?
A. Body
B. Organ
C. Organ system
D. Braun

Answers

Answer: The answer is A

Explanation: Research and Edu labs

©
Rinoy wants to electroplate copper on an iron nail.
0 What should he use as the positive electrode and negative
electrode for this process?
(0) Which electrolyte should he use for the process?
(ii) Which of the two electrodes will gradually wear away
during electrolysis-anode or cathode?​

Answers

Answer:

See explanation

Explanation:

Electroplating involves the coating of one metal on another metal. It is an electrochemical process. The positive electrode is the coating metal while the negative electrode is the metal on which the coating is to be performed.

Since copper is to be coated on an iron nail. A copper plate is made the positive electrode while the iron nail should be the negative electrode.

The electrolyte used in the process should be a copper salt e.g CuSO4 solution.

As electrolysis progresses, the copper electrode(positive electrode or anode) gradually wears away due to the fact that the copper ions are going into the solution and are being deposited on the iron nail.

Bone marrow stem cells differentiate into any type of cell. true or false?

Answers

Answer:

True

Explanation:

Bone marrow mesenchymal stem cells have pluripotent potential and mainly into osteoblasts into the skeleton, but its unbalanced.

Answer:

True

Explanation:

Stem cells from bone marrow are pluripotent which can differentiate from signaling mechanisms.

Why would the "fixed migratory pattern" of the blue whale or sea turtle make these species vulnerable to extinction?

Answers

Answer:

Taking a fixed migratory pattern would be unpleasant for whales, whales already have a low reproduction rate, having a fixed pattern would decrease it's encounter with other whales, this decreases the low chance of it's reproduction.

Explanation:

The migratory pattern would be unpleasant for whales, whales have a low reproduction rate fixed pattern would decrease it's with other whales, this decreases the low chance of it's reproduction.

What are the different migratory patterns?

The internal migration: moving within a state, country, or continent. external migration: moving to a different state, country, or continent.

Thus, it will decreases the chances.

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What type of cat would be the best control to compare with Calix?

Answers

Answer: black male

Explanation:

It would let us see the difference between Calix and a normal male cat

Answer:

black male is correct

Explanation:

doing the gizmo right now and it was correct.

What are some examples of climatic conditions that support certain species and inhibit others?

Answers

Answer:

The cold temperatures, snow and ice, lack of daylight in winter and lack of darkness in winter, make good conditions for the survival of polar bears, seals, caribou, etc., but seriously prohibit the survival of mosquitoes and most other insects.

Explanation: Here's your answer, hopefully this will be help!

The examples of the climatic conditions that support certain species and inhibit others involved the snow, ice, etc.

Examples of the climate conditions:

The cold temperature, snow, and ice, absence of daylight in the winter season, and absence of darkness in winter seasons resulted from the polar bears survival.

But at the same time, it restricts the mosquitoes and other insects survival.

So the above are the examples.

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Animal that live in water is also called as _____?​

Answers

Answer:

aquatic animals......hope it will help you

What are proteins made of, and how many options are there for these building blocks?

Answers

Answer:

Amino Acids

Explanation:

They are building blocks for proteins.

What is the chemical symbol of Hydrogen?

Answers

Answer:

the symbol for hydrogen is H

What is the Plantae Fact

Answers

Answer:

The Plantae includes all land plants: mosses, ferns, conifers, flowering plants, and so on—an amazing range of diverse forms. With more than 250,000 species, they are second in size only to the arthropoda. ... Another important contribution of plants is their shaping of the environment. Think of a place without plants.

Hope Helps you!!

Answer: The Plantae includes all land plants: mosses, ferns, conifers, flowering plants, and so on—an amazing range of diverse forms. With more than 250,000 species, they are second in size only to the arthropoda.The kingdom Plantae includes all land plants, mosses, flowering plants, ferns and so on. With an excess of 250,000 plant species, the kingdom Plantae is the second largest family of organisms. Only the Arthropoda family is larger. The most striking characteristic associated with plants is their green color.

I hope this help you<3


Word bank
• sexual reproduction
• diploid
• unique daughter cells
• gametes
• meiosis
• unique
• haploid
• zygote
• identical daughter cells
• mitosis

Answers

Answer:

Meiosis is a process in which sex cells, also known as gametes are made. Meiosis is different from mitosis in a lot of ways, one being that mitosis creates identical daughter cells and meiosis creates unique daughter cells. Meiosis is important because it allow for the creation of a meiosis nucleus. Cells produced by meiosis will be used in haploid, where each member of the next generation is genetically unique.

Cells produced in sexual reproduction will have half of the genetic information of body cells and will be genetically unique. This is necessary because when a sperm and an egg fuse together in sexual reproduction. They form a zygote: the first body of a new individual.

The new individual will now have cells that are diploid, meaning they have two sets of chromosomes. They zygote will have to do a lot of mitosis allowing it to grow quickly and ensure that all of its cells are genetically unique.

2. Which of the following BEST describes an organic compound?
a compound containing carbon that is important to the survival of living systems
a compound often found inside cells that is destructive to living systems
a compound containing oxygen that is important to the growth of living systems
a compound that attaches to the outside of cells and destroys living systems

Answers

Answer:

a compound containing oxygen that is important to the of living system

Is it hazard or risk

Answers

Answer:

1. Risk

2. Hazard

3. Risk

4. Risk

5. Hazard

6. Hazard

7. Hazard

8. Hazard

9. Risk

10. Hazard

:)

True or false. Differences in the amount of silica and silacon dioxide affect magma's thickness and viscosity.

Answers

True hope it helped

Are bacteria and viruses bound by a cell membrane or is it exclusive to one of them? Do bacteria and viruses have a nucleus or do only one of them have one?

Answers

Answer:

Explanation:Lack membrane-bound organelles - While bacteria have a few organelles involves in metabolism and reproduction, they, like viruses, do not have membrane-bound organelles. In viruses, the nucleic acid is not contained in a nucleus as is the case with eukaryotic cells.

Give THREE examples of an adaptation of an organism and WHY it is considered an adaptation.​

Answers

Answer:

There are three different types of adaptations: Behavioural - responses made by an organism that help it to survive/reproduce. Physiological - a body process that helps an organism to survive/reproduce. Structural - a feature of an organism's body that helps it to survive/reproduce.

Explanation:

may someone help me with this​

Answers

Answer:

2. Phenotype

3. Genotype

4.Genotype

6. Phenotype

7. Phenotype

8. Genotype

a phenotype refers to the physical characteristics: can be observed

a genotype refers to the genetic characteristics: can't be seen

Is methemoglobinemia recessive or dominate? Provide examples to back up your answer

Answers

Answer:

recessive

Explanation:

The inheritance pattern of the congenital enzyme deficiency form of the disease is autosomal recessive. Hb M is inherited in an autosomal dominant pattern. There is no association between sex and the frequency of congenital methemoglobinemia.

Methemoglobinemia is an autosomal recessive congenital disorder. It means that both copies of the gene are found to be recessive in order to express a phenotype.

What do you mean by the Dominant trait?

The Dominant trait may be defined as a form of trait which governs by the presence of at least one dominant copy of that gene.

Methemoglobinemia may be defined as a blood disorder in which very little amount of oxygen is delivered to your cells. Cells may feel the scarcity of oxygen.

If an individual is affected by this disorder, both the copies of its gene are found in a recessive form in order to mask the effect of a dominant copy.

Therefore, it is well described above.

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How dose human activity effect the water cycle

Answers

Human Impacts on the Global Water Cycle: Effects on Sea-Level and Climate. Large-scale human manipulation of water has significantly altered global patterns of streamflow. Resulting changes in sea level, ocean salinity, and in biophysical properties of the land surface could ultimately generate climate feedbacks

29. A teacher presented the two models below to the dass. The models represent a eukaryote and prokaryote cell. The teacher asked the students to label the structure of each cell that contains the genetic code and
tell where it is located.

structure C, located in the cytoplasm in Cell A and structure C, located in the cytoplasm in Cell B
structure H, located in the cytoplasm in Cell A and structure A, located in the nucleus in Cell B
structure C, located in the nucleus in Cell A and structure C, located in the cytoplasm in Cell B
structure H, located in the cytoplasm in Cell A and structure A, located in the cytoplasm in Cell B

Answers

Answer:

C. structure C, located in the nucleus in Cell A and structure C, located in the cytoplasm in Cell B

Explanation:

This question contains images that depicts an eukaryotic cell (animal) and a prokaryotic cell (bacteria). According to the question, a teacher asked the students to label the structure of each cell that contains the genetic code (DNA) and tell where it is located.

In an eukaryotic cell, the genetic material (DNA) which contains the genetic code is located inside a well defined membranous structure called NUCLEUS while the genetic material in a prokaryotic cell is found naked in a region of the cytoplasm called NUCLEOID as they lack a membrane-bound nucleus. Based on this explanation;

- Structure C is the genetic material (DNA) which contains the genetic code of cell A (eukaryotic cell), hence, the genetic code of cell A is found in structure C, which in turn is located in the centrally-placed NUCLEUS.

- Structure C is the genetic material containing the genetic code of cell B (prokaryotic cell), hence, the genetic code of cell B is found in structure C, which in turn is located in the CYTOPLASM.

Scientists often use the analogy of a tree to describe the history of life on Earth. All organisms alive today, including archaea, bacteria, and eukaryotes, can trace their development to the same common ancestor or set of ancestors, which forms the base of the tree. Which statement provides the strongest evidence for the conclusion that all living things share common ancestry?

a. All living things perform either cellular respiration or photosynthesis

b. All living things use DNA as a genetic code to transmit information

c. All living things have vestigial structures that are remnants of structures found in ancestral species.

d. All living things are made of cells with approximately the same composition, size, shape, and function

Answers

Answer:

B

Explanation:

DNA contains the instructions needed for an organism to develop, survive and reproduce. To carry out these functions, DNA sequences must be converted into messages that can be used to discover history of a living organism and to produce proteins, which are the complex molecules that do most of the work in our bodies

______ Nucleus ______ Mitochondrion ______ Chloroplast ______ Cytoplasm ______ DNA ______ Ribosomes ______ Cell Wall ______ Cell Membrane a) Makes proteins for the cell b) Converts sugar to a usable form of energy c) Liquid plasma in the cell that holds the organelles d) Contains genetic material to make proteins e) Site of transcription f) Converts sunlight to sugar g) Separates the inside of the cell from the outside of the cell h) Provides structure for the cell

Answers

Answer:

Answer: The role of the nucleus of a eukaryotic cell is to control the cell. Because it contains most of the cell's DNA, which is encoded with genetic instructions, the nucleus controls which proteins the cell makes.

Explanation:

Answer: The role of the nucleus of a eukaryotic cell is to control the cell. Because it contains most of the cell's DNA, which is encoded with genetic instructions, the nucleus controls which proteins the cell makes.

please be my bsf and help me answer this

Answers

Answer:

photosystems :)

Explanation:

Answer:

b

Explanation:

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