Gene RegulationE'Coli and the lac operon - PowerPoint PPT Presentation

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Gene RegulationE'Coli and the lac operon

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... sumanasinc.com/webcontent/anisamples/majorsbiology/lacoperon.html. 3. Biotechnology. Restriction enzymes. Recombinant DNA. Plasmids. Cloning. DNA Finger printing ... – PowerPoint PPT presentation

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Title: Gene RegulationE'Coli and the lac operon


1
Gene Regulation-E.Coliand the lac operon
  • Efficient mechanism for lactose metabolism
  • There are 3 proteins that control the expression
    on a single expressible unit of DNA-lac operon
  • No lactose, energy is not wasted expressing the
    gene
  • The gene is only expressed if lactose is present

2
Lac Operon
  • http//www.sumanasinc.com/webcontent/anisamples/ma
    jorsbiology/lacoperon.html

3
Biotechnology
  • Restriction enzymes
  • Recombinant DNA
  • Plasmids
  • Cloning
  • DNA Finger printing
  • Gel Eletrophoresis
  • Short Tandem Repeats-2 or more nucleotides, 2-16
    adjacent pairs

4
DNA finger printing
  • http//www.youtube.com/watch?vPSwlCk_Z02c
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