Question:

What is the function of DNA gyrase in circular DNA?

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Understand the role of DNA gyrase in modulating DNA topology and its impact on cellular processes.
Updated On: Jan 4, 2025
  • Negative supercoiling
  • Positive supercoiling
  • DNA packaging
  • DNA degradation
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The Correct Option is A

Solution and Explanation

DNA gyrase, a type II topoisomerase, introduces negative supercoils into circular DNA. This reduces torsional strain and facilitates processes like replication and transcription by making the DNA more accessible to enzymes and proteins.

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