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Dna replicaton byrd
 

Dna replicaton byrd

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    Dna replicaton byrd Dna replicaton byrd Presentation Transcript

    • DNA REPLICATION By: Brady Snyder
    • 5’ 3’ DNA replication starts at the origin of replication. It is in the shape of a double helix(twisted ladder). Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases C 3’ -Cytosine G -Guanine A -Adenine T 5’ -Thymine
    • DNA helicase is the enzyme that unwinds and unzips the double helix shape. It breaks the hydrogen bonds. 3’ 5’ Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases C 3’ H -Cytosine G -Guanine A -Adenine T 5’ -Thymine
    • 5’ 3’ Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases C H 3’ -Cytosine G -Guanine A -Adenine T 5’ -Thymine
    • 5’ 3’ Key H -DNA Helicase -Phosphate H 3’ -Deoxyribose Nitrogenous bases 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ 3’ Key H H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ 3’ Key H H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ 3’ Key H H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ 3’ H Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ 3’ H Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ H 3’ Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ DNA polymerase 3 reads the bases 35 and synthesizes 5-3 and it adds continuously onto the left side. The nitrogenous bases add to their complementary bases. 3’ Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ 3’ Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ 3’ Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ 3’ The leading strand which is the left side and the right side synthesizes discontinuously with okasoki fragments. DNA primase adds the DNA primers to fill the right side. Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ 3’ Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ 3’ Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ 3’ Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • 5’ 3’ Polymerase changes the RNA primers into DNA and DNA ligase seals everything up with phosphodiester bonds. Key H -DNA Helicase -Phosphate -Deoxyribose Nitrogenous bases 3’ 5’ C -Cytosine G -Guanine A -Adenine T -Thymine
    • When there is an error in DNA replication, it is known as a mutation. The mutations can be the wrong bases pairing (A-G, A-C, T-G, T-C), or one of the strands of the double helix loops out such that a bases would be behind two others. Also as the cells divide, the telomeres at the ends of the genes were down they will either die or cause various problems.