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
Waning gibbous
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Energy is interrelated on Earth; people need to manage Earth's natural resources to meet current and future needs that effect the entire planet.
Hope that helped!
