Practice question
Question
A closed circular B-DNA of 4000 base pairs is negatively supercoiled by introduction of 4 writhes. The super helical density of the resultant DNA molecule will be
Explanation
The principle of molecular bonding explains that hybridization and orbital overlap dictate geometry and reactivity. Hence Option NAT fits best because it satisfies bonding and stability criteria, as documented in authoritative sources on chemistry.
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