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5.Molecular Basis of Inheritance
medium
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
Solution
Hydrogen bonding is involved molecular force in the $DNA$ molecule. Watson and Crick observed the purine-pyrimidine type of hydrogen bonding (instead of purine-purine and pyrimidine-pyrimidine).
Standard 12
Biology
