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Christalise
DNA gyrase is an essential bacterial enzyme that catalyzes the ATP-dependent negative super-coiling of double-stranded closed-circular DNA. Gyrase belongs to a class of enzymes known as topoisomerases that are involved in the control of topological transitions of DNA. Hope this helps! :3
ritsingh0121

Answer: Introduce negative supercoiling of circular DNA in prokaryotes.

Explanation:

Bacterial enzyme DNA GYRASE introduce negative supercoiling in closed circular dsDNA. DNA gyrase is a topoisomerase, which takes part in prokaryotic transcription and is not present in eukaryotes except plasmodium. Negative supercoiling allows separation of DNA strand with less torsional stress during replication and transcription.