
Biochemistry 4th Edition by Christopher Mathews,Kensal van Holde, Dean Appling, Spencer Anthony Cahill
Edition 4ISBN: 978-0138004644
Biochemistry 4th Edition by Christopher Mathews,Kensal van Holde, Dean Appling, Spencer Anthony Cahill
Edition 4ISBN: 978-0138004644 Exercise 12
A variant of B-form DNA has been reported to exist in the presence of Li + ions. This form, called C-DNA, is found by X-ray diffraction to have
base pairs per turn.
(a) How many base pairs arc contained in one repeal of this structure How many turns in one repeat
(b) Is C-DNA twisted more or less tightly than B-DNA
(c) Would high superhelix density favor or disfavor C-DNA over B-DNA

(a) How many base pairs arc contained in one repeal of this structure How many turns in one repeat
(b) Is C-DNA twisted more or less tightly than B-DNA
(c) Would high superhelix density favor or disfavor C-DNA over B-DNA
Explanation
(a)There would be 3 turns per repeat, so...
Biochemistry 4th Edition by Christopher Mathews,Kensal van Holde, Dean Appling, Spencer Anthony Cahill
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