What does DNA consist of?

What does DNA consist of?
It belongs to a class of molecules called the nucleic acids, which are polynucleotides - that is, long chains of nucleotides. Each nucleotide consists of three components: a nitrogenous base: cytosine (C), guanine (G), adenine (A) or thymine (T) a five-carbon sugar molecule (deoxyribose in the case of DNA)

Reference:
DNA, Genes and Chromosomes — University of Leicester
Aug 5, 2019

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