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Ch.3 structure and function of pathogens
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refraction
the way light bends creates magnification and focus
magnification
means of achieving resolution
contrast created by
stains
Prokaryotic cell structure (4 total)
- filamentous appendages
- surface layers
- cell wall
- intracellular components
Flagella
motility
pili (fimbriae)
adherence and genetic transfer
glycocalyx or capsule composed of
polysaccharides
cell wall contains
peptidoglycan (important for antibiotics)
gram-positive color
purple
gram-negative color
pink
Lipopolysaccharide (LPS)- 3 components
- identifies organism
- common to many bacteria
- virulence (ability to cause disease)
Author
mmb65
ID
34205
Card Set
Ch.3 structure and function of pathogens
Description
Ch. 3 lecture notes
Updated
2010-09-12T13:34:33Z
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