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The presence or absence of hydroxy- group on which carbon atom of sugar differentiates

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The presence or absence of hydroxy- group on which carbon atom of sugar differentiates RNA and DNA?

(a) 1st

(b) 2nd

(c) 3rd

(d) 4th

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1 Answer

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Correct Option (b) 2nd

Explanation:

ln RNA molecule, sugar moeirty is β-D-ribose in which - OH group is .present at 2nd carbon. Whereas in DNA, it is β-D-2-deoxyribose in which - OH group is absent at 2nd carbon.

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