Unwinding of DNA creates tension which is rel | vedclass

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(B) During $DNA$ replication,the enzyme $Helicase$ unwinds the double helix,which creates torsional strain or supercoiling ahead of the replication fo

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Topoisomerase

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(B) During $DNA$ replication,the enzyme $Helicase$ unwinds the double helix,which creates torsional strain or supercoiling ahead of the replication fork. The enzyme $Topoisomerase$ (specifically $DNA$ $Gyrase$ in prokaryotes) relieves this twisting stress by cutting,rotating,and resealing the $DNA$ strands.

Unwinding of $DNA$ creates tension which is released by enzyme:

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