Q. The reason for double helical structure of DNA is operation of
A) Van der Waals’ forces
B) Dipole-dipole interaction
C) Hydrogen bonding
D) Electrostatic attractions
Explanation
(c)
The two polynucleotide chains or strands of DNA are joined by hydrogen bonding between the nitrogenous base molecules of their nucleotide monomers
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.