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Tag: supercoiled DNA

DNA Topology class 1: Topoisomerase

Role of Topoisomerase I and Topoisomerase II in DNA topology Topoisomerase is a class of enzyme which helps in winding and unwinding of DNA. Three forms of DNA is most prevalent in nature: circular, linear and supercoiled. Circular DNA is covalently closed and does not have any interruption in between nucleotides. Circular DNA is found in

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