Multiple Choice
Why do researchers think the first self-replicating molecule was RNA?
A) RNA is the only type of molecule that can catalyze a chemical reaction.
B) RNA has the capacity to provide a template and is known to catalyze reactions (although no existing self-replicating molecules of RNA have been discovered) .
C) Self-replicating molecules of RNA exist today,in human cells.
D) Fossil evidence of such a molecule was recently discovered.
Correct Answer:

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Correct Answer:
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