Source 23.9 24.9 25.2 E coli 26.0 Yeast 313 32.9 18.7 17.1 Sea urchin 32.8 32.1 17.7 184 Rat 28.6 284 21.4 21.5 Human 30.3 303 19.5 19.9 Based on data like this, Chargaff determined that 0 a DNA consusts of a series of four-mucleotide units, each containing all four bases-ATGC-in a fixed sequence (ie the tetranucleotide hypothesis) 0& The amount of adenine is always equal to the amount of thymine, and the amount of guanine is always equal to the amount of cytosine. Oc The amount of guanine is always equal to the amount of adenine, and the amount of cytosine is always equal to the amount of thymine. Od The amounts of guanıne, thymine, adenine, and cytosine in DNA is always 25% each
Source 23.9 24.9 25.2 E coli 26.0 Yeast 313 32.9 18.7 17.1 Sea urchin 32.8 32.1 17.7 184 Rat 28.6 284 21.4 21.5 Human 30.3 303 19.5 19.9 Based on data like this, Chargaff determined that 0 a DNA consusts of a series of four-mucleotide units, each containing all four bases-ATGC-in a fixed sequence (ie the tetranucleotide hypothesis) 0& The amount of adenine is always equal to the amount of thymine, and the amount of guanine is always equal to the amount of cytosine. Oc The amount of guanine is always equal to the amount of adenine, and the amount of cytosine is always equal to the amount of thymine. Od The amounts of guanıne, thymine, adenine, and cytosine in DNA is always 25% each
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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Transcribed Image Text:Source
24.9
25.2
26.0
23.9
E coli
313
32.9
18.7
17.1
Yeast
Sea urchin
32.8
32.1
17.7
18.4
Rat
28.6
28.4
21.4
21.5
Human
303
303
19.5
19.9
Based on data like this, Chargaff determined that
a DNA consusts of a series of four-nucleotide units, each containing all four bases-ATGC-in a fixed sequence (ie the tetranucleotide hypothesis)
Ob.The amount of adenine is always equal to the amount of thymine, and the amount of guanine is always equal to the amount of cytosine.
Oc The amount of guanine Is always equal to the amount of adenine, and the amount of cytosine is always equal to the amount of thymine.
Od The amounts of guanıne, thymine, adenine, and cytosine in DNA iS always 25% each.
Transcribed Image Text:Thefollowing table shows Chargaffs data that demonstrate base composition of DNA from different biological sources.
T
G
Source
23.9
24.9
25.2
E coli
26.0
Yeast
313
32.9
18.7
17.1
Sea urchin
32.8
32.1
17.7
18.4
Rat
28.6
28.4
214
21.5
Human
303
30.3
19.5
19.9
Based on data like this, Chargaff determined that:
0 a DNA consusts of a sernies of four-nucleotide units, each containing all four bases-ATGC-in a fixed sequence (ie the tetranucleotide hyp
06.The amount of adenine is always equal to the amount of thymine, and the amount of guanine is always equal to the amount of cytosine.
Oc The amount of guanine is alivays equal to the amount of adenine, and the amount of cytosine is always equal to the amount of thymin
0c The amounts of guanine, thymine, adenine, and cytosine in DNA is always 25% each.
IS
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