Question

In DNA, only the _____ varies from one nucleotide to another.

Answer 1

bases

Nucleotides have three parts: a sugar, a phosphate, and a base. Only the nitrogen base varies. In DNA, there are four nitrogen bases: adenine (A), guanine (G), cytosine (C), and thymine (T).

Answer 2

In DNA, only the BASES varies from one nucleotide to another.