Question
Protein synthesis machinery revolves around RNA but in the course of evolution it was replaced by DNA. Justify.
✓
Answer
Since RNA was unstable and prone to mutations, DNA evolved from RNA with chemical modifications that makes it more stable.
DNA has double stranded nature and has complementary strands. These further resist changes by evolving a process of repair.
DNA has double stranded nature and has complementary strands. These further resist changes by evolving a process of repair.
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