The RNA World Hypothesis
One of the most important hypothesis for the origin of the first living cell is the “RNA world” hypothesis, which proposes that RNA was the first genetic material and the first self-replicating molecule. RNA is a molecule that can act as an enzyme, a genetic material and can store information. According to this hypothesis, the first living cells would have been made up of RNA molecules, which would have been able to carry out all the functions of a living organism, such as metabolism and replication.
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