Question

et DNA
e nel try the
predented more or le
and of one strat
The famous Watson and Crick model is B-form of
DNA which is a right handed helix. The pitch of a
complete helical turn is
(1) 34 A
(2) 20 A
(3) 3,4 A
(4) 18 A
O,
OM
O
A
0-
B​

Answer 1

no there is nothing for you please inform again