Question

What are the four nitrogen bases in DNA (check all that apply)?

thymine

guanine

adenine

uracil

cytosine

Answer 1

thymine

adenine

cytosine

guanine

Step-by-step explanation:

uracil is not because uracil is only RNA.

Answer 2

Thymine, guanine, adenine and cytosine.

Step-by-step explanation:

Uracil is not one of the four nitrogen bases in DNA.