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Microbiology Question and answers already passed R241,75   Add to cart
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Microbiology Question and answers already passed

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  • Course
  • Microbiology
  • Institution
  • Microbiology

Microbiology Question and answers already passed Bacterial diseases include - correct answer school sores strep throat scarlet fever otitis media endocarditus gas gangrene meiningicoccal septicaemia syphillis scaled skin syndrome tetanus Bacteria vs human cell - correct answer bact...

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Document information

  • August 11, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • microbiology
  • microbiology question and answers already passed

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  • Microbiology
  • Microbiology

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Carzola98

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Microbiology-Bacteria
Bacterial diseases include - correct answer ✔school sores
strep throat
scarlet fever
otitis media
endocarditus
gas gangrene
meiningicoccal septicaemia
syphillis
scaled skin syndrome
tetanus


Bacteria vs human cell - correct answer ✔bacteria:
0.4-2um in diameter
plasama cell membrane and complex cell wall
few organelles, no defined nucleus
reproduce by binary fission
Human:
5.0-100um in diameter
plasma cell membrane
nucleus and organelles
reproduce by mitosis and sexual reproduction


Bacterial structure - correct answer ✔single cell with no nucleus

, Cell wall - correct answer ✔chemically complex
-provides protection and shape
-protects against osmotic shock
-site of antibiotic action
-2 types, gram positive and gram negative


gram positive - correct answer ✔-thick peptidoglycan layer
-gram stains purple
-living gram positive cells secrete exotoxins


gram negative - correct answer ✔-thin peptidoglycan layer
-covered by external membrane
-gram stains pink
-dead cell wall breakdown produces endotoxins


bacterial shape - correct answer ✔coccus -sphere (not circular)
bacillus-rod
curved rod
spirillum-helical spiral
how they group may also be indicated:diplo(2), staph (brunched), strep (line)


bacteria cell membrane
(phospholipid bilayer) - correct answer ✔-controls movement in and out of
cell
-because bacteria lack many of the organelles, the phospholpid bilayer
perfroms the following:
-cellular respiration

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