Which hypothesis suggests that both polypeptides and RNA arose at the same time?
A) Aleksandr Oparin's coacervate theory
B) Stanley Miller's chemical soup theory
C) Sidney Fox's protein-first hypothesis
D) Alexander Cairns-Smith's simultaneous evolution of polypeptides and RNA hypothesis
E) Darwin's original theory of evolution, as written in Origin of Species

Question

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Alexander Cairns-Smith's simultaneous evolution of polypeptides and RNA hypothesis suggests that both polypeptides and RNA arose at the same time.

Which Hypothesis Suggests That Both Polypeptides and RNA Arose at the Same