Question

hello..... what is DNA composed of... ​

Answer 1

Answer:

DNA is made up of molecules called nucleotides .

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Answer 2

Answer:

Nucleotides

Explanation:

DNA is composed of nucleotides, and each nucleotide contains a group of nitrogen base, phosphate base and sugar base. There are 4 types of nitrogen bases : adenine (A), thymine (T), guanine (G) and cytosine (C).