Question

Distinguish between the RNA-first hypothesis and the protein-first hypothesis.

Answer 1

The RNA - first hypothesis proposes that earlier life forms may have used RNA for the storage of genetic material.

According to this hypothesis, RNA would have been the first to evolve and cells had RNA genes. These genes would be directed the enzymatically carried synthesis of synthesis.

According to this theory RNA was the primary living substance due to RNA’s ability to function as both genes and enzymes.

According to protein - first hypothesis, proteins or polypeptides were the first of three such as DNA, RNA and Proteins to arise.

This hypothesis of the origins of life supposes that life emerged as a self-reproducing and expanding system of protein interactions.

This hypothesis imagines that DNA genes came after protein enzyme arose. After all, it is protein enzymes, which are required for the replication of DNA.