What are the four nitrogen bases in DNA (check all that apply)?
thymine
guanine
adenine
uracil
cytosine
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thymine
adenine
cytosine
guanine
Explanation:
uracil is not because uracil is only RNA.
Answer:
Thymine, guanine, adenine and cytosine.
Explanation:
Uracil is not one of the four nitrogen bases in DNA.