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1952 Alfred Hershey and Martha Chase

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Figure 5-19 Electron micrograph of a T2 bacteriophage and its DNA. Page 91 ... pattern of SV40 DNA. Page 1126. Table 5-2 Sizes of Some DNA Molecules. ... – PowerPoint PPT presentation

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Title: 1952 Alfred Hershey and Martha Chase


1
1952 Alfred Hershey and Martha Chase
2
Figure 5-2 Chemical structure of a nucleic acid.
Page 82
3
(No Transcript)
4
Figure 5-19 Electron micrograph of a T2
bacteriophage and its DNA.
Page 91
5
Figure 29-24 Agarose gel electrophoresis pattern
of SV40 DNA.
Page 1126
6
Table 5-2 Sizes of Some DNA Molecules.
7
Figure 5-14 Schematic representation of the
strand separation in duplex DNA resulting from
its heat denaturation.
Page 90
8
Figure 5-15 UV absorbance spectra of native and
heat-denatured E. coli DNA.
Page 90
9
Figure 5-16 Example of a DNA melting curve.
Page 90
10
Figure 5-17 Variation of the melting
temperatures, Tm, of various DNAs with their G
C content.
Page 91
11
Figure 5-10 X-ray diffraction photograph of a
vertically oriented Na DNA fiber in the B
conformation taken by Rosalind Franklin.
Page 87
12
Figure 5-11 Three-dimensional structure of B-DNA.
Page 87
13
Figure 5-12Watson-Crick base pairs.
Chargaffs rules 1952
Page 88
14
Figure 29-1a Structure of B-DNA. (a) Ball and
stick drawing and corresponding space-filling
model viewed perpendicular to the helix axis.
Page 1108
15
Figure 29-1b Structure of B-DNA. (b) Ball and
stick drawing and corresponding space-filling
model viewed down the helix axis.
Page 1109
16
B-DNA. A-DNA Z-DNA
Page 1108
17
DNA tutorial link http//molvis.sdsc.edu/dna/inde
x.htm
18
Figure 29-7 The conformation of a nucleotide unit
is determined by the seven indicated torsion
angles.
Page 1116
19
Figure 29-8 The sterically allowed orientations
of purine and pyrimidine bases with respect to
their attached ribose units.
20
Table 29-1 Structural Features of Ideal A-, B-,
and Z-DNA.
21
Figure 5-13 Demonstration of the
semiconservative nature of DNA replication in
E. coli by density gradient ultracentrifugation.
Page 89
22
Figure 5-31 Action of DNA polymerases.
Page 99
23
Figure 5-32a Replication of duplex DNA in E. coli.
Page 100
24
Figure 5-32b Replication of duplex DNA in E. coli.
Page 100
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