DNA. Structure and Replication
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Slide 1
![DNA DNA](images/referats/632/image001.png)
DNA
Structure
and
Replication
Slide 2
![Transformation: Robert Griffith (1928) Transformation: Robert Griffith (1928)](images/referats/632/image002.png)
Transformation: Robert Griffith (1928)
Slide 3
![DNA is the Transformer: Avery (1944) DNA is the Transformer: Avery (1944)](images/referats/632/image003.png)
DNA is the Transformer: Avery (1944)
Slide 4
![Chromosomes and DNA Chromosomes and DNA](images/referats/632/image004.png)
Chromosomes and DNA
Slide 5
![DNA has 4 Bases DNA has 4 Bases](images/referats/632/image005.png)
DNA has 4 Bases
Slide 6
![Four DNA Bases Four DNA Bases](images/referats/632/image006.png)
Four DNA Bases
Adenine
Thymine
Guanine
Cytosine
Slide 7
![The Sugar The Sugar](images/referats/632/image007.png)
The Sugar
Deoxyribose
Slide 8
![The Nucleotides The Nucleotides](images/referats/632/image008.png)
The Nucleotides
A
G
T
C
Slide 9
![Adenine pairs with Thymine Adenine pairs with Thymine](images/referats/632/image009.png)
Adenine pairs with Thymine
Hydrogen
Bonding
Slide 10
![Guanine pairs with Cytosine Guanine pairs with Cytosine](images/referats/632/image010.png)
Guanine pairs with Cytosine
Hydrogen
Bonding
Slide 11
![DNA DNA](images/referats/632/image011.png)
DNA
Slide 12
![Genes and Base Pairs: A Comparison Genes and Base Pairs: A Comparison](images/referats/632/image012.png)
Genes and Base Pairs: A Comparison
Slide 13
![The “Central Dogma” The “Central Dogma”](images/referats/632/image013.png)
The “Central Dogma”
Slide 14
![Possible Modes of DNA Replication Possible Modes of DNA Replication](images/referats/632/image014.png)
Possible Modes of DNA Replication
Slide 15
![Replication: 5’ to 3’ Direction ONLY Replication: 5’ to 3’ Direction ONLY](images/referats/632/image015.png)
Replication: 5’ to 3’ Direction ONLY
Continuous replication
on one strand
Discontinuous replication
on one strand
Slide 16
![DNA Replication is Catalyzed by Enzymes DNA Replication is Catalyzed by Enzymes](images/referats/632/image016.png)
DNA Replication is Catalyzed by Enzymes
Slide 17
![DNA Polymerase Adds Complementary Bases DNA Polymerase Adds Complementary Bases](images/referats/632/image017.png)
DNA Polymerase Adds Complementary Bases
Slide 18
![DNA Polymerase Sees Errors DNA Polymerase Sees Errors](images/referats/632/image018.png)
DNA Polymerase Sees Errors
Slide 19
![DNA Polymerase Repairs Errors DNA Polymerase Repairs Errors](images/referats/632/image019.png)
DNA Polymerase Repairs Errors