Other questions in this quiz

2. In each chain of B form DNA, there is a complete turn every ______

  • 34Å
  • 33Å

3. G DNA has how many strands?

  • 2
  • 4
  • 3

4. Depending on conditions, DNA can form more than ___ slightly different variants of right handed helices

  • 20
  • 40

5. The first essentially correct structure of DNA was proposed in 1953 by

  • James Watson and Francis Crick
  • Avery, McLeod and McCarty

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