Which nitrogenous base is normally present in RNA molecules but not in DNA molecules? (1) adenine (3) thymine (2) cytosine (4) uracil

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asked Jun 8, 2020 202k views

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Russell Saari · Answer 1 · 2020-06-12T16:29:43+0000

Answer: In DNA, the pyrimidine cytosine always pairs with the purine guanine, while the pyrimidine thymine always pairs with the purine adenine. RNA does not contain thymine, though, so in RNA adenine pairs with uracil.

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Which nitrogenous base is normally present in RNA molecules but not in DNA molecules? (1) adenine (3) thymine (2) cytosine (4) uracil

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Which nitrogenous base is normally present in RNA molecules but not in DNA molecules? (1) adenine (3) thymine (2) cytosine (4) uracil​

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Which nitrogenous base is normally present in RNA molecules but not in DNA molecules? (1) adenine (3) thymine (2) cytosine (4) uracil