he figure shows that the average distance between base pairs measured parallel to the axis of a DNA molecule is 3.4 Å. The average molar mass of a pair of nucleotides is 650 g-mol-1. Estimate the length in cm of a DNA molecu olar mass 5.1x10° g-mol-1, D 26 v cm oughly how many base pairs are contained in this molecule? 784615 x base pairs
he figure shows that the average distance between base pairs measured parallel to the axis of a DNA molecule is 3.4 Å. The average molar mass of a pair of nucleotides is 650 g-mol-1. Estimate the length in cm of a DNA molecu olar mass 5.1x10° g-mol-1, D 26 v cm oughly how many base pairs are contained in this molecule? 784615 x base pairs
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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Question
![The figure shows that the average distance between base pairs measured parallel to the axis of a DNA molecule is 3.4 Å. The average molar mass of a pair of nucleotides is 650 g•mol-1. Estimate the length in cm of a DNA molecule of
molar mass 5.1x109
4.0 .26
g•mol-1.
cm
Roughly how many base pairs are contained in this molecule?
[4.0 784615
x base pairs
CG
G C
OH
TA
Thymine
Adenine
H.
H.
OH
CH2
N-H.......O
CH3
H
H
N……·H–N
HLH
TA
OH
0-P
H2C
CG
G C
H.
CH2
Guanine
H
OH
Cytosine
...
H-N
TA
AT
H'
N.....H-N
HLH
N-H.......O
H2C
OH
H
-o.
-P3D0
TA
0-
OH
H.
-CH2
(b) The most common structure of DNA, which is a right-handed double helix. The two strands are held together by hydrogen bonds
(a) Base-pair formation between adenine (A) and thymine (T) and between cytosine (C) and
guanine (G).
and other intermolecular forces.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F558e69fb-bdf7-44c8-8f73-38112cc2ca63%2Fba6871c9-1979-4fba-99bf-60266efe14b4%2F3mda0vh_processed.png&w=3840&q=75)
Transcribed Image Text:The figure shows that the average distance between base pairs measured parallel to the axis of a DNA molecule is 3.4 Å. The average molar mass of a pair of nucleotides is 650 g•mol-1. Estimate the length in cm of a DNA molecule of
molar mass 5.1x109
4.0 .26
g•mol-1.
cm
Roughly how many base pairs are contained in this molecule?
[4.0 784615
x base pairs
CG
G C
OH
TA
Thymine
Adenine
H.
H.
OH
CH2
N-H.......O
CH3
H
H
N……·H–N
HLH
TA
OH
0-P
H2C
CG
G C
H.
CH2
Guanine
H
OH
Cytosine
...
H-N
TA
AT
H'
N.....H-N
HLH
N-H.......O
H2C
OH
H
-o.
-P3D0
TA
0-
OH
H.
-CH2
(b) The most common structure of DNA, which is a right-handed double helix. The two strands are held together by hydrogen bonds
(a) Base-pair formation between adenine (A) and thymine (T) and between cytosine (C) and
guanine (G).
and other intermolecular forces.
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