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Practice MCAT Question - Q57 - Answer!

The molecule, adenosine monophosphate, can be found in

A.  DNA only.
B.  RNA only.
C.  both DNA and RNA.
D.  neither DNA nor RNA.

The correct answer is (B). Adenosine monophosphate consists of adenine, ribose, and one phosphate group. Ribose is the 5-carbon sugar found only in RNA nucleotides. Deoxyribose is the pentose found in all DNA nucleotides.

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