It's A because not all of the species have the same amount of adenine, the moth's is nothing like the rat's, and the amount of guanine is greater than the adenine in a moth.
Ou tof the following given choices;
<span>a. </span>elimination
<span>b. </span>SN2 substitution
<span>c. </span>Dissociation
<span>d. </span>None of the above
The answer is B. In SN2 substitution, the leaving group is attached to a primary carbon. This is one of the SN reaction of nucleophilic substitution on dimethylallyl pyrophosphate. The other SN1 reaction, which is the more probable reaction because it's more stable.
Answer:
A
Explanation:
It needs a host so it feeds off of it. Also i just had it on a test!!
MARK ME BRAINLIEST
DNA Mutation is caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes. Thus, the correct answer is option D.
1.DNA Mutations are caused by environmental factors known as mutagens.
2.Types of DNA mutagens include radiation, chemicals, and infectious agents.
3.DNA Mutations may be spontaneous in nature.
The answer is <span>D) The atmosphere has no significant role in the phosphorus cycle, but is an essential part of the sulfur cycle.
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<span>Phosphorus is not abundant in the atmosphere. It comes mostly from the land and ocean. Phosphorus cycle through the lithosphere, hydrosphere, and biosphere, but not the atmosphere. The reason for this is that phosphorus cannot be found in the gas state, unlike the sulfur. On the other hand, sulfur cycle partially occurs in the atmosphere.</span>