Question

choose the dna nucleotide bases that complement adenine and guanine. the nucleotide base that complements adenine is thymine. the nucleotide base that complements guanine is adenine guanine cytosine thymine

Explanation:

In DNA, base - pairing rules state that adenine (A) pairs with thymine (T) and guanine (G) pairs with cytosine (C) through hydrogen bonds.

Answer:

The nucleotide base that complements adenine is thymine.
The nucleotide base that complements guanine is cytosine.