The backbone of DNA is made up of: | vedclass

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Question

(A) The $DNA$ molecule consists of two polynucleotide chains. Each nucleotide is composed of a deoxyribose sugar,a phosphate group,and a nitrogenous b

Vedclass · Accepted Answer

Sugar and phosphate

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(A) The $DNA$ molecule consists of two polynucleotide chains. Each nucleotide is composed of a deoxyribose sugar,a phosphate group,and a nitrogenous base. The backbone of the $DNA$ strand is formed by the alternating sequence of deoxyribose sugar and phosphate groups linked by phosphodiester bonds. The nitrogenous bases project inward from this backbone.

The backbone of $DNA$ is made up of:

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