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In both DNA and RNA, heterocyclic base a...

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

A

`C_(5)'` and `C_(2)'`, respectively, of the sugar molecule

B

`C_(2)'`, and `C_(5)'`, respectively, of the sugar molecule

C

`C_(1)' and C_(5)'` , respectively , of the sugar molecule

D

`C_(5)' and C_(1)'`, respectively , of the sugar molecule

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The correct Answer is:
C
The structure is
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BRILLIANT PUBLICATION-POLYMERS, BIOMOLECULES AND CHEMISTRY IN EVERYDAY LIFE -LEVEL -II
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