Ch.3 structure and function of pathogens

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Author:
mmb65
ID:
34205
Filename:
Ch.3 structure and function of pathogens
Updated:
2010-09-12 09:34:33
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BMS501
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Description:
Ch. 3 lecture notes
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  1. refraction
    the way light bends creates magnification and focus
  2. magnification
    means of achieving resolution
  3. contrast created by
    stains
  4. Prokaryotic cell structure (4 total)
    • - filamentous appendages
    • - surface layers
    • - cell wall
    • - intracellular components
  5. Flagella
    motility
  6. pili (fimbriae)
    adherence and genetic transfer
  7. glycocalyx or capsule composed of
    polysaccharides
  8. cell wall contains
    peptidoglycan (important for antibiotics)
  9. gram-positive color
    purple
  10. gram-negative color
    pink
  11. Lipopolysaccharide (LPS)- 3 components
    • - identifies organism
    • - common to many bacteria
    • - virulence (ability to cause disease)

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