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What are the three chemical molecules that make up the subunits of DNA?
phosphate, protein, and nitrogen base
sugar, nitrogen base, and amino acids
nitrogen base, lipids, and phosphate
sugar, phosphate, and nitrogen base

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Answer:

The nucleotides combine with each other to form a polynucleotide, DNA or RNA. Each nucleotide is made up of three components: a nitrogenous base, a pentose (five-carbon) sugar, and a phosphate group . Each nitrogenous base in a nucleotide is attached to a sugar molecule, which is attached to a phosphate group.

Explanation:

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