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Of the four nitrogen bases in DNA, which two are purines and which two are pyrimidines? Group of answer choices uracil—thymine; guanine—cytosine adenine—thymine; uracil—cytosine adenine—thymine; guanine—cytosine
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Of the four nitrogen bases in DNA, which two are purines and which two are pyrimidines?

Group of answer choices

uracil—thymine; guanine—cytosine

adenine—thymine; uracil—cytosine

adenine—thymine; guanine—cytosine

adenine—guanine; thymine—cytosine

User Niklas Brunberg
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B is correct

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User Farshad Jahanmanesh
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