0 0 votes Topological Winding number of a $\text{2.0 kb}$ covalently closed circular DNA was found to be $191$ with a writhing number of $-4$. Hence, its $\text{LINKING NUMBER}$ and the $\text{NUMBER OF BASE PAIR PER TURN}$ when the molecule is laid flat on the surface is _______ and _______, respectively. $\text{187, 10.69}$ $\text{195, 10.25}$ $\text{200, 10.00}$ $\text{187, 10.50}$ Molecular Biology and Genetics: gate2014 numerical-answers biotechnology dna genetics-and-evolutionary-biology + – Milicevic3306 7.9k points answer comment Share Follow 0 reply Please log in or register to add a comment.