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Topological winding number of a 2.0 kb covalently closed circular DNA was found to be 191 with a writhing number of -4. Hence, its linking number and the number of base pair per turn when the molecule is laid flat on the surface is . . . . . . . . and . . . . . . . ., respectively.

Correct Answer: 187, 10.69

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Molecular Biology and Genetics MCQ: Topological winding number of a 2.0 kb covalently closed circular DNA was found to be 191 with a writhing number of -4. Hence, its linking number and the number of base pair per turn when the molecule is laid flat on the surface is . . . . . . . . and . . . . . . . ., respectively. | Extra Education