02-16-2017, 04:22 AM
(02-16-2017, 04:08 AM)subasuba Wrote: gate 2017 numericalCircumference of a sphere or circle = 2πr = πD
a DNA strand of length 25nm wraps diametrically around the circumferance of a spherical histone octamer once.the radius of the histone-octamer is
So, here, 3.14 × D = 25nm
D = 25/3.14 nm
r = 25/6.28 nm
= 3.98nm