Chemistry · Biomolecules

JEE Main 2025 — 24 January, Morning Shift — Question 35

The carbohydrates "Ribose" present in DNA, is A.

A pentose sugar

B. present in pyranose from

C. in "D" configuration

D. a reducing sugar, when free

E. in $\alpha$ -anomeric form

Choose the correct answer from the options given below:

Answer: A

In Ribose carbohydrate present in DNA is $\beta-2-$ Deoxy-D-Ribose whose structure is

which is a reducing $D$ -sugar in $\beta$ anomeric form $\&$ it is a pentose sugar.

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