Piecing it Together - Chargaff's data was a central piece of evidence used by James Watson and Francis Crick in 1953 to Successfully describe the structure of DNA. Look at the drawing of DNA below. 1. What do you notice about the arrangement of the nitrogen bases? Record as many observations as you can. A 2. How did Chargaff's data help Watson & Crick predict that DNA looks like this?
Piecing it Together - Chargaff's data was a central piece of evidence used by James Watson and Francis Crick in 1953 to Successfully describe the structure of DNA. Look at the drawing of DNA below. 1. What do you notice about the arrangement of the nitrogen bases? Record as many observations as you can. A 2. How did Chargaff's data help Watson & Crick predict that DNA looks like this?
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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Chargaff´s experiment
Transcribed Image Text:Piecing it Together- Chargaff's data was a central piece of evidence used by James Watson and Francis Crick in 1953 to
Successfully describe the structure of DNA. Look at the drawing of DNA below.
1. What do you notice about the arrangement of the nitrogen bases? Record as
many observations as you can.
A
A
2. How did Chargaff's data help Watson & Crick predict that DNA looks like
this?
C-
...
Transcribed Image Text:Table 1. Nitrogen Base Make-Up of ifrent Organisms' DNA (in Percentages)
Organism
Mycobacterium tuberculasis
Yeast
Wheat
Sea Urchin
Marine crab
Turtle
A
G
34.9
14.6
32.9
|27.1
32.1
35.4
17.1
|22.8
15.1
31.3
|27.3
32.8
18.7
|22.7
17.7
17.3
2.7
22.0
2.7
21.3
47.3
47.3
29.7
28.6
30.9
27.9
Rat
|28.4
21.4
21.5
Human
|29.4
19.9
19.8
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