A potential chemical ancestor of the ribosome.
DNA and RNA serve as the primary information carriers that make up the genetic material of living cells — which puts nucleic acids such as these at the heart of most theories of the origins of life.
In particular, the ‘RNA world’ hypothesis posits that self-replicating RNA molecules acted both as information carriers and as catalysts for biochemical processes before DNA and proteins evolved. However, this hypothesis does not explain why, how and when proteins replaced RNA to become the largest and most diverse class of catalyst in modern cells. In a
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