DNA is made of molecules of nucleotides which are composed of

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Mallory Santana

Biology

7 May, 07:14

DNA is made of molecules of nucleotides which are composed of

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Kolby Mills · Answer 1

DNA structure. DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C).