Q.

The carbohydrate “Ribose” present in DNA, is
A. A pentose sugar
B. Present in pyranose form
C. In “D” configuration
D. A reducing sugar, when free
E. In α-anomeric form
Choose the correct answer from the options given below :

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a

A, C and D Only

b

A, B and E Only

c

B, D and E Only

d

A, D and E Only

answer is A.

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Detailed Solution

In Ribose carbohydrate present in DNA is β-2- Deoxy-D-Ribose whose structure is

Question Image

which is a reducing D-sugar in β anomeric form & it is a pentose sugar.

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The carbohydrate “Ribose” present in DNA, isA. A pentose sugarB. Present in pyranose formC. In “D” configurationD. A reducing sugar, when freeE. In α-anomeric formChoose the correct answer from the options given below :