100 60 40 // 24 14 6 8 10 12 Time (hours) Key 1 = V. melanops, 2 = V. sativa, 3 = V. benghalensis, 4 = V. atropurpurea, 5 = V. faba, 6 = V. narbonensis, 7 = E. coli Percentage of labeled DNA not hybridized 20 2. [After W. V. Choi, 1971, Genetics 68:213-230.]
100 60 40 // 24 14 6 8 10 12 Time (hours) Key 1 = V. melanops, 2 = V. sativa, 3 = V. benghalensis, 4 = V. atropurpurea, 5 = V. faba, 6 = V. narbonensis, 7 = E. coli Percentage of labeled DNA not hybridized 20 2. [After W. V. Choi, 1971, Genetics 68:213-230.]
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
In DNA-hybridization experiments on six species of plants in the genus Vicia, DNA was isolated from each of the six species, denatured by heating, and sheared into small fragments (W. Y. Chooi. 1971. Genetics 68:213–230). In one experiment, DNA from each species and from E. coli was allowed to renature. The graph shows the results of this renaturation experiment.
Q. Notice that, for the Vicia species, the rate of renaturation is much faster in the first hour and then slows down. What might cause this initial rapid renaturation and the subsequent slowdown?
![100
60
40
//
24
14
6 8
10
12
Time (hours)
Key
1 = V. melanops, 2 = V. sativa, 3 = V. benghalensis, 4 = V.
atropurpurea, 5 = V. faba, 6 = V. narbonensis, 7 = E. coli
Percentage of labeled DNA
not hybridized
20
2.
[After W. V. Choi, 1971, Genetics 68:213-230.]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa7d50630-534f-4ef5-b722-b17cf01b1378%2Fbad341a1-abd3-4c49-9130-4b5c05cce8fe%2Ff6nohmq.jpeg&w=3840&q=75)
Transcribed Image Text:100
60
40
//
24
14
6 8
10
12
Time (hours)
Key
1 = V. melanops, 2 = V. sativa, 3 = V. benghalensis, 4 = V.
atropurpurea, 5 = V. faba, 6 = V. narbonensis, 7 = E. coli
Percentage of labeled DNA
not hybridized
20
2.
[After W. V. Choi, 1971, Genetics 68:213-230.]
![](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa7d50630-534f-4ef5-b722-b17cf01b1378%2Fbad341a1-abd3-4c49-9130-4b5c05cce8fe%2Ff8oaef.jpeg&w=3840&q=75)
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