Biology powerpoint

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Biology powerpoint

  1. 1. By: Kaleb Swartz
  2. 2. • A Plasmid is a circular, double-stranded unit of DNA that replicates within a cell independently of the chromosomal DNA. Plasmids are most often found in bacteria and are used in recombinant DNA research to transfer genes between cells.
  3. 3. http://www.youtube.com/watch?v=GNMJBMtKKWU&safety_mode=true&persist_safety_mode=1&safe=active
  4. 4. • Fertility, F-Plasmids contain transfer genes. F-Plasmids are capable of conjugation.
  5. 5. • Resistance plasmids contain genes that can build resistance against antibiotics or poisons and help bacteria produce pili.
  6. 6. • Col Plasmids contain genes that code for proteins that can kill other bacteria.
  7. 7. • Degradative plasmids enable the digestion of unusual substances
  8. 8. • Virulence plasmids turn bacterium into a pathogen.

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