Explain the structure of a DNA molecule.

Learning Goal: I’m working on a biology writing question and need the explanation and answer to help me learn.

Explain the structure of a DNA molecule

answer. The DNA molecule is a double-stranded helix made up of nucleotides. Each nucleotide contains a sugar, a phosphate group, and a nitrogenous base (adenine, thymine, guanine, or cytosine). The two strands are held together by hydrogen bonds between complementary nitrogenous bases.

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