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What forms the backbone of a DNA strand?


A DNA molecule is made up of building blocks known as nucleotides. Each nucleotide consists of deoxyribose, a phosphate group, and one of the chemical bases. The nucleotides join together to form a _______

, which form the backbone of a DNA strand.

Respuesta :

The sugar phosphate forms the backbone of the DNA strand. When nucleotides form together they form a polynucleotide
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