Question

Protein synthesis machinery revolves around RNA but in the course of evolution it was replaced by DNA. Justify.

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Answer 1

Answer:

The synthesis of protein revolves around RNA, while in the case of evolution it is replaced by the DNA because the RNA was unstable and it is more prone to mutation and DNA evolve from the RNA by the chemical modification, which makes it more stable and it is less prone to mutation.

The DNA is double-stranded and possess complementary bases, these provide stability which resists changes by evolving a process of repair.