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JIPMER2012ZoologyMolecular Basis of Inheritance

Width of the DNA molecule is

Options

  1. A15 Å
  2. B20 Å
  3. C25 Å
  4. D34 Å

Correct answer

B. 20 Å

Step-by-step solution

The 3-D structure of DNA is represented by a double helix, in which each turn has a diameter of 34 Å and contains 10 base pairs at a distance of 3.4 Å . The width of DNA molecule is 20 Å .

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