In a DNA molecule, adenine always pairs with
Acytosine.
Buracil.
Cthymine.CORRECT
Dguanine.
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Why the answer is C, and why the others tempt you.
Complementary base pairing joins adenine to thymine by two hydrogen bonds and guanine to cytosine by three. Uracil replaces thymine in RNA, not in DNA.
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