JEE Main2014ChemistryBiomoleculesActual
The reason for double helical structure of DNA is the operation of :
Options
- AVan der Waals forces
- BElectrostatic attractions
- CHydrogen bonding
- DDipole - Dipole interactions
Correct answer
C. Hydrogen bonding
Step-by-step solution
DNA is a chain of two strands of nucleotides that are linked to one another through hydrogen bonds and arranged into a structure known as a double-helix.