AGB-0032
QUESTION
The OH group attached to the 2’-carbon atom of ribose is replaced by what in deoxyribose?
OPTIONS
(A) Sulph-hydryl group
(B) Hydrogen
(C) Oxygen
(D) Phosphate
ANSWER
(B) Hydrogen
EXPLANATION
In deoxyribose, the 2′-hydroxyl group present in ribose is replaced by hydrogen, making deoxyribose chemically different from ribose. It is not replaced by oxygen, phosphate, or a sulfhydryl group.
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