What is/are the variable structure(s) of a nucleotide?
A) the phosphate group
B) the sugar
C) the base
D) the sugar and the base

Question

Quizplus · Accepted Answer

A nucleotide consists of three parts: a phosphate group, a sugar, and a nitrogen-containing base. The variable structures of a nucleotide are the sugar and the base, as the phosphate group is always the same. Therefore, both D) the sugar and the base must be selected as the answer.

What Is/are the Variable Structure(s) of a Nucleotide