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6:34
YouTube
Rethink Biology
DNA Topology || Linking number || Twist || Writhe
#biologyanimation DNA topology refers to the superhelical structures or tangles in a DNA double helix. There are generally two forms of DNA, linear DNA and closed circular DNA. In the case of linear DNA, untangling is possible due to the free rotation of the ends of the DNA. However, generally linear DNA is bound to proteins, so untangling is ...
77.3K views
Jul 27, 2020
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