Why Do Researchers Think the First Self-Replicating Molecule Was RNA

question 2

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 can carry information and catalyze chemical reactions.
• C) Self-replicating molecules of RNA exist today, in human cells.
• D) Fossil evidence of such a molecule was recently discovered.

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