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In a DNA molecule, nitrogenous base is l...

In a DNA molecule, nitrogenous base is linked to pentose sugar by 'A' linkage and the pentose sugar is linked to phosphate by 'B' linkage. Correctly identify A and B.

A

A - phosphodiester linkage
B - N - glycosidic linkage

B

A- N - glycosidic linkage
B - phosphodiester linkage

C

A- covalent bond
B - phosphodiester linkage

D

A - hydrogen bond
B - ester linkage

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The correct Answer is:
B
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