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+1 vote
125 views
in Chemistry by (122k points)
I 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 respecgively of the sugar molecule
D. C-5 and C-1 respectively of the sugar molecule.

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