Consider the structures of adenine, cytosine, uracil, and
Chapter 17, Problem 52QP(choose chapter or problem)
Consider the structures of adenine, cytosine, uracil, and guanine. On the basis of hydrogen-bonding interactions between all possible combinations of these bases, explain why the only pairings found in RNA are between adenine and uracil and between cytosine and guanine.
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