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CHAPTER 7DNA: Structure and Replication
CHAPTER 7DNA: Structure and Replication
Copyright 2008 © W H Freeman and Company
CHAPTER OUTLINE7.1 DNA: the genetic material
7.2 The DNA structure
7.3 Semiconservative replication
7.4 Overview of DNA replication
7.5 The replisome: a remarkable replication machine
7.6 Replication in eukaryotic organisms
7.7 Telomeres and telomerase: replication termination
Computer model of DNA
Chapter 7 Opener
A sculpture of DNA
Figure 7-1
DNA: the genetic material
Transforming R cells into S cells
Figure 7-2
DNA is the transforming agent
Figure 7-3
The phage genetic material is DNA
Figure 7-4
The DNA structure
Structures of the four DNA nucleotides
Figure 7-5
Table 7-1
Rosalind Franklin’s critical experimental result
Figure 7-6a
Rosalind Franklin’s critical experimental result
Figure 7-6b
The first model of DNA
Figure 7-7
The structure of DNA
Figure 7-8
Two representations of the DNA double helix
Figure 7-9
Base pairing in DNA
Figure 7-10
Semiconservative replication
Semiconservative DNA replication
Figure 7-11
Three alternative models for DNA replication
Figure 7-12
DNA is copied by semiconservative replication
Figure 7-13a
DNA is copied by semiconservative replication
Figure 7-13b
DNA is copied by semiconservative replication
Figure 7-13c
A replicating bacterial chromosome
Figure 7-14
A replicating bacterial chromosome
Figure 7-14a
A replicating bacterial chromosome
Figure 7-14b
Reaction catalyzed by DNA polymerase
Figure 7-15
Overview of DNA replication
DNA replication at the growing fork
Figure 7-16
Synthesizing the lagging strand
Figure 7-17
Unnumbered figure pg 281
The replisome: a remarkable replication machine
Proteins at work at the replication fork
Figure 7-18
DNA gyrase removes extra twists
Figure 7-19a
DNA gyrase removes extra twists
Figure 7-19b
Prokaryotic initiation of replication
Figure 7-20
Replication in eukaryotic organisms
Assembling nucleosomes during DNA replication
Figure 7-21
DNA replication proceeds in two directions
Figure 7-22
DNA replication proceeds in two directions
Figure 7-22a
DNA replication proceeds in two directions
Figure 7-22b
Stages of the cell cycle
Figure 7-23
Eukaryotic initiation of replication
Figure 7-24
Telomeres and telomerase: replication termination
The replication problem at chromosome ends
Figure 7-25
Telomere lengthening
Figure 7-26a
Telomere lengthening
Figure 7-26b
The telomeric cap structure
Figure 7-27
