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Question
Chemistry
The reason for double helical structure of DNA is operation of:
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Q. The reason for double helical structure of $DNA$ is operation of:
Delhi UMET/DPMT
Delhi UMET/DPMT 2004
A
electrostatic attractions
B
van der Waals forces
C
dipole-dipole interactions
D
hydrogen bonding
Solution:
DNA molecule has double helical because of hydrogen bonding between the nitrogenous bases of two strands.