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Image Based Question – 67328

Question

What is the structure indicated below?

A. Purine Nucleotide

B. Purine

C. Pyrimidine Nucleoside

D. Purine Nucleoside

 

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Correct Answer » D

Explanation

Ans:D. Purine Nucleoside

The figure shows the nucleoside Adenosine,which is the base adenine attached to Ribose.

A nucleoside consists simply of a nucleobase (also termed a nitrogenous base) and a five-carbon sugar (either ribose or deoxyribose),

whereas a nucleotide is composed of a nucleobase, a five-carbon sugar, and one or more phosphate groups.

In a nucleoside, the base is bound to either ribose or deoxyribose via a beta-glycosidic linkage

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