Which of the following regarding DNA gyrase in E.Coli is correct?
A) It works to remove negative supercoiling introduced by the DnaB protein (helicase) .
B) It is a topoisomerase that hydrolyzes ATP during its reaction mechanism.
C) Its mechanism involves the breaking of a single phosphoester bond in 1 strand of dsDNA.
D) It works to introduce positive supercoiling in DNA to overcome the torsion stress imposed upon unwinding.
Correct Answer:
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