Question

In: Biology

Which of the following descriptions best fits the class of molecules known as nucleotides?

Which of the following descriptions best fits the class of molecules known as nucleotides?

Solutions

Expert Solution

Descriptions best fits the class of molecules known as nucleotides is:

A nitrogenous base, a phosphate group and a pentose sugar.

A nucleotide consists of three things:

  1. A nitrogenous base, which can be either adenine, guanine, cytosine, or thymine (in the case of RNA, thymine is replaced by uracil).
  2. A five-carbon sugar, called deoxyribose because it is lacking an oxygen group on one of its carbons.
  3. One or more phosphate groups.

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