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Exercise I: Isolation Analysis Plasmid DNA

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Presentation on theme: "Exercise I: Isolation Analysis Plasmid DNA"— Presentation transcript:

1 Exercise I: Isolation Analysis Plasmid DNA
Topic 8: DNA Exercise I: Isolation Analysis Plasmid DNA Topic 7: Cellular Genetics. Exercise II Mitosis Cell Cycle Exp: Cell cycle onion tips

2 Structure of Escherichia coli.

3 Two strains of E.coli: pBR322 and pUC18.

4 Purification Plasmid DNA 1:

5 [Note on pipetting:]

6 Purification Plasmid DNA 1:

7 Purification Plasmid DNA 1:

8 Spin and remove most contaminants:

9 Purification Plasmid DNA 2:

10 [Addition of very small volumes:]

11 DNAse and RNAse treatment:

12 Preparing the Agarose gel:

13 Agarose Gel.

14 Electrophoresis:

15 Electrophoresis:

16 Electrophoretic Mobility of Nucleic Acids:

17 pBR322 pUC18 ET D R ET D R

18 pUC18 pBR322 ET D R ET R D

19 MITOSIS: Onion root tip.

20

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22 Onion root tip.

23 Onion root tip.


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