In DNA and RNA,the heterocyclic base and phos | vedclass

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(C) In the structure of nucleotides,which are the building blocks of $DNA$ and $RNA$,the sugar molecule is a pentose sugar (deoxyribose or ribose).The

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$C_1$ and $C_5$

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(C) In the structure of nucleotides,which are the building blocks of $DNA$ and $RNA$,the sugar molecule is a pentose sugar (deoxyribose or ribose).The heterocyclic nitrogenous base is attached to the $C_1$ position of the sugar via an $N$-glycosidic linkage.The phosphate group is attached to the $C_5$ position of the sugar via a phosphoester linkage.Therefore,the base is at $C_1$ and the phosphate ester is at $C_5$.

In $DNA$ and $RNA$,the heterocyclic base and phosphate ester are attached to which carbons of the sugar molecule,respectively?

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