NEET Biology question

Biology Molecular Basis of Inheritance NEET

RNA, being a catalyst, was reactive and hence ...A... . Therefore, DNA evolved from RNA with ...B... modifications that make it more ...C... . Choose the correct option for A, B and C.

(A)A-stable, B-physical, C-stable
(B)A-stable, B-chemical, C-stable
(C)A-unstable, B-chemical, C-stableCorrect
(D)A-unstable, B-chemical, C-unstable

Answer: (C)

Solution

RNA's catalytic reactivity makes it chemically unstable (A); DNA is thought to have evolved from RNA through chemical modifications (the

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Question ID VK-120915