be the A form of DNA, the B form of DNA, the Z form of DNA, or all three. A form the favored form of dehydrated DNA widest helix diameter has a 23.7 A helix diameter The base pairs are nearly perpendicular compared to the plane of the helix axis and exhibit a right-handed helix. B form most stable under physiological conditions Z form left-handed narrowest helix diameter All G pairs with C, and A pairs with T. HOCH antiparallel strands
be the A form of DNA, the B form of DNA, the Z form of DNA, or all three. A form the favored form of dehydrated DNA widest helix diameter has a 23.7 A helix diameter The base pairs are nearly perpendicular compared to the plane of the helix axis and exhibit a right-handed helix. B form most stable under physiological conditions Z form left-handed narrowest helix diameter All G pairs with C, and A pairs with T. HOCH antiparallel strands
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:As a result of the rotation about its six bonds, DNA can exist in a variety of forms. Determine whether the image and properties
describe the A form of DNA, the B form of DNA, the Z. form of DNA, or all three.
A form
the favored form of
dehydrated DNA
widest helix diameter
has a 23.7 A helix diameter
The base pairs are nearly
perpendicular compared to the
plane of the helix axis and
exhibit a right-handed helix.
B form
most stable under
physiological conditions
Z form
left-handed
narrowest helix diameter.
All
G pairs with C, and A pairs
with T.
HOCH
OH
antiparallel strands
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