Q. The diameter of Z-DNA is

A) 34Å
B) 20Å
C) 18Å
D) 45Å
Explanation

Z-DNA is left-handed double-helix with $zig - zag$ back bone. The helix of Z-DNA is 18Å in diameter containing 12bp per turn. One of Z-DNA has 45Å length.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.