The backbone of the DNA molecule is composed | vedclass

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Question

(D) The $DNA$ (Deoxyribonucleic acid) molecule consists of a sugar-phosphate backbone.This backbone is formed by the alternating arrangement of $2$-de

Vedclass · Accepted Answer

Sugar and phosphate

Vedclass · Answer

(D) The $DNA$ (Deoxyribonucleic acid) molecule consists of a sugar-phosphate backbone.This backbone is formed by the alternating arrangement of $2$-deoxyribose sugar molecules and phosphate groups.The nitrogenous bases (purines and pyrimidines) are attached to the $1'$ carbon of the deoxyribose sugar and project inward,but they do not form the structural backbone itself.Therefore,the correct answer is sugar and phosphate.

The backbone of the $DNA$ molecule is composed of which of the following?

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