A) van der Waals forces
B) dipole-dipole interaction
C) hydrogen bonding
D) electrostatic attractions
Correct Answer: C
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 pyridine-pyridine)You need to login to perform this action.
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