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nikdorinn [45]
3 years ago
5

How many individual strands is DNA composed of?

Biology
1 answer:
JulijaS [17]3 years ago
7 0
DNA is a double helix, meaning there are two strands.
<span>DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.</span>
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