Respuesta :

A, Adenine & Thymine, are one of the complementary base pairs for DNA.

Answer:

adenine and thymine

Explanation:

The four nitrogenous bases of DNA are thymine, adenine, guanine, and cytosine. Guanine and cytosine are bound together by three hydrogen bonds; whereas, adenine and thymine are bound together by two hydrogen bonds. This is known as complementary base pairing.