Which of the Following Regarding DNA Gyrase in E

question 13

Multiple Choice

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.

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Definitions:

Capital Structure

The mix of different forms of external financing a firm uses, such as debt, equity, and other securities, to fund its operations and growth.

Debt-to-assets Ratio

A solvency ratio that indicates the percentage of a company's assets financed by debt.

Cost of Equity

The return that a company must earn on the equity-financed portion of its investments to compensate its shareholders for assuming the risk of the investment.