Select all that apply. Factors that can increase mutation rates are _____. high temperatureslow temperaturesfood additivesUV rays

Answers

Answer 1

Answer: Factors that can increase mutation rates are high and low temperatures, food additives, and UV rays. All of these answers are correct. Mutation rates in genes vary depending on many environmental effects. UV rays, along with varying temperatures, can cause mutations during cell division due to the damage they impart on the cells that are dividing. Dangerous food additives are believed to cause mutations, as seen in animal studies (ie. aspartame causing cancer in rats).

Answer 2

Answer:

The answer actually is

-High temperatures

-Food additives

-UV Rays

I just had this assignment and I got it right! Low temperatures do NOT increase mutation rates!!!

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Analogous structures _____.result from evolution in a similar environment
indicate a common ancestor exists between two organisms
are features which organisms still have but no longer use
develop when a mutation occurs in the DNA of an organism

Answers

indicate a common ancestor exists between two organisms

NOT:
result from evolution in a similar environment
are features which organisms still have but no longer use
develop when a mutation occurs in the DNA of an organism

Answer is result from evolution in a similar environment

The analogous structures are the various structures in different species having the similar in function because face similar environmental pressure, but have different in their origin. These structures evolved separately. Thus, they do not share common ancestor. For example are wings of birds and wings of insects, fins of fish and flippers of whales. Analogous structure supports convergent evolution.

A single molecule has at least how many atoms

Answers

The single molecule has at least two atoms.

A single molecule has at least 2 atoms.

For example, the oxygen we breathe has only 2 molecules.

Happy to help :)

Decreasing the use of pesticides and herbicides can help agricultural sustainability.

Answers

The answer will be depends. Usually, pesticides and herbicides are used by farmers to control the attacks of pests on their plants. However, pesticides and herbicides can sometimes be the reason why the plants did not grow naturally. If there's a better natural alternative way to control pests, then surely this will help agriculture sustainability.

Where are most photosynthetic cells in plants found?

Answers

The correct answer is leaves. Leaves are the most photosynthetic cells in plants found. That is mainly because the sunlight goes through the leaves. The photosynthesis simply takes place first in leaves. They are the one responsible for the entrance of the carbon dioxide and the release of the oxygen.

Leaves are definitely where most of the photosynthetic cells are in plants. Since leaves are mostly flat and broad, they provide an ample surface for absorbing light.

Which base is found in RNA but NOT in DNA? A) adenine B) cytosine C) thymine D) uracil

Answers

Its Uracil.Uracil is energetically less expensive to produce than thymine, which may account for its use in RNA. In DNA, however, uracil is readily produced by chemical degradation of cytosine, so having thymine as the normal base makes detection and repair of such incipient mutations more efficient

The DNA nucleotide bases include adenine, cytosine, guanine and thymine. The RNAnucleotide bases include adenine, uracil, guanine and cytostine.

Proteins may act as buffers because the free carboxyl group can release hydrogen ions. A) The free carboxyl group can combine with hydrogen ions.
B) The free carboxyl group can act as a base.
C) The free amino group can release hydrogen ions.
D) The free amino group can act as an acid.

Answers

Answer: a. The free carboxyl group can combine with hydrogen ions.

Explanation:

Hopefully this helped :)

Answer:

The answer is A.

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Look at the albino whale people have named Migaloo. The white color is the result of mutations in the genes that code for the proteins responsible for skin color. Is Migaloo's white color likely to be an advantage in its current environment? Explain your answer.

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In cellular respiration, a series of molecules forming an electron transport chain alternately accepts and then donates electrons. what is the advantage of such an electron transport chain?

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