In both DNA and RNA, heterocyclic base and phosphate ester linkages are at:

C - 5^{'}

and

C - 2^{'}

respectively of the sugar molecule

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C - 2^{'}

and

C - 5^{'}

respectively of the sugar molecule

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C - 1^{'}

and

C - 5^{'}

respectively of the sugar molecule

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C - 5^{'}

and

C - 1^{'}

respectively of the sugar molecule

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Solution

The correct option is D $C - 1^{'}$ and $C - 5^{'}$ respectively of the sugar molecule
Heterocyclic base is attach to $C_{1}^{1}$ of sugar while phosphate linkage is at $C_{5}^{1}$

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