dna replication devondubensky
Post on 14-Jun-2015
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A
T
KEY:
C
G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
C G
A T
A T
C G
C G
C G
T A
T A
3’
5’
5’
3’
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA helicase unzips the DNA strand
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
GDNA
Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
GDNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
DNA Helicase
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
- DNA primase
DNA primase catalyzes the synthesis of a short RNA.
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
- DNA polymerase III
- DNA primase
- RNA primer
RNA primer is several strands of RNA added to the lagging strand. It will begin synthesis of the lagging strand.
A
T
A T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
- DNA polymerase III
- DNA polymerase 1
- DNA primase
- RNA primer
DNA polymerase 1 can add free nucleotides.
A
T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
A T
C G
C
C
T A
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
- DNA polymerase III
- DNA polymerase 1
- DNA primase
- RNA primer
A TT A - DNA ligase
A TT A
CG
A
T
KEY:
C
G
C G
- Phosphate
- Sugar
- Adenine
- Thymine
- Cytosine- Guanine
TA
C
C
C
T
T A
5’
3’- Hydrogen Bonds
3’
5’
G
G
A TT A
A TT A
CG
A
C
C
T
GC
A T
G
G
G
T
A
A
Leading strand
Lagging strand
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