Q. Complete turns in $45000 b p D N A$ would be

1573 223 Molecular Basis of Inheritance Report Error

A

$45$

2%

B

$450$

7%

C

$4500$

89%

D

$45, 000$

2%

Solution:

$∵ 10 b p$ form $= 1$ turn
$∴ 1 b p$ form $= 1/10$ turn
$∴ 45000 b p$ form $= 45000/10 = 4500$ turn