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Cell Biology

Cell Biology. Genetic Engineering. Recap. Draw a simple bacterial cell How is DNA packaged in a bacterial cell?. Genetic Engineering. Genetic information can be transferred from one cell to another cell naturally . Bacterial cells exchanging genetic information.

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Cell Biology

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  1. Cell Biology Genetic Engineering

  2. Recap • Draw a simple bacterial cell • How is DNA packaged in a bacterial cell?

  3. Genetic Engineering • Genetic information can be transferred from one cell to another cell naturally. Bacterial cells exchanging genetic information Virus injecting DNA into a cell

  4. Genetic Engineering • Bacterial cells are much smaller than animal cells. • They have no nucleus • Their genetic information is in the form of one circular chromosome. • They also have smaller plasmids which carry genes.

  5. Bacterium

  6. Genetic Engineering • The development of Genetic engineering makes it possible to put genes from one organism into a different organism. • A good example is putting human genes into bacteria. The bacteria then have the instructions to make whatever the gene is supposed to code for.

  7. Genetic Engineering • Genetic engineering has been carried out with the gene for insulin production. • Insulin is a protein which we produce to control our blood sugar concentration. • Some people can’t make insulin so can’t control their blood sugar concentration and therefore suffer from diabetes.

  8. Genetic Engineering • The insulin needed for diabetics can now be made by bacterial cells. • This is done by inserting the human insulingene into bacteria and they can then produce large quantities of insulin for us very quickly.

  9. Genetic Engineering

  10. Activity • Collect a copy of the genetic engineering cut out sheet. • Try your own genetic engineering using plasticene

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