Answer:
DNA is a long polymer with a phosphate backbone and deoxyriboses. Adenine, guanine, cytosine, and thymine are the four nitrogenous bases. The backbone of RNA is made up of ribose and phosphate. Adenine, guanine, cytosine, and uracil are four nitrogenous bases.
So DNA is two stranded, RNA is single stranded.
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Explanation:
A dog and a tick would have a parasitic relationship. Seeing as how, if anything, the tick is harming the dog and the dog isn't getting anything in return, but the tick is getting both a food supply and a host, their relationship would be classified as parasitic.
Answer:
B. To make sure that the two new cells have slightly different genetic codes.
Explanation:
A dichotomous key is a type of single-access key that gives only two choices at one time, These keys are commonly used in biology in order to identify an unknown animal or plant.
