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Anonymous Anonymous
  • 09-10-2014
  • Biology
Answered

How many individual strands is DNA composed of?

Verified Answer :

makaelaking
makaelaking makaelaking
  • 09-10-2014

DNA is a double helix, meaning there are two strands.
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.

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