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By which of the following bonds, a nitrogenous base is linked to the pentose sugar?

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in Biology – Class 12 by (271k points)
By which of the following bonds, a nitrogenous base is linked to the pentose sugar?

(a) Phosphate bond

(b) Ester bond

(c) Peptide bond

(d) N-glycosidic bond

This question was addressed to me in exam.

Question is taken from Molecular Basis of Inheritance in portion Molecular Basis of Inheritance of Biology – Class 12

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ago by (65.4k points)

The correct answer is:

(d) N-glycosidic bond

In nucleotides, a nitrogenous base is linked to the pentose sugar (ribose or deoxyribose) via an N-glycosidic bond. This bond connects the nitrogen atom of the base to the carbon atom (usually C1) of the sugar.

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