Q. Width of the DNA molecule is
A) 15 Å
B) 20 Å
C) 25 Å
D) 34 Å
Explanation
The 3-D structure of DNA represented by a double helix, in which each turn has a diameter of 34Å and contains 10 base pairs at a distance of 3.4Å. The width of DNA molecule is 20Å.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.