A

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Q. DNA is composed of how many strands?

  • (A) One
  • (B) Two
  • (C) Three
  • (D) Four
  • Correct Answer - Option(B)
  • Views: 2
  • Filed under category Biology
  • Hashtags: DNA
Explanation by: Admin
DNA is made up of two complementary strands that twist into a double helix.

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