BMS1026 microbiology

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1. when pathogens are phagocytosed which of the following does not occur?

  • respiratory burst causing formation of oxidising agents
  • induction of nitric oxides which act as microbicidial agents
  • release of toxic granules causing membrane pores to form
  • release of digestive enzymes from lysosomes
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2. the un-resitrictive, bi directional flow of protoplasm between filamentous fungal cells is known as

  • cytoplasmic flow
  • cytoplasmic streaming
  • hyphase streaming
  • chytridiomycotsis

3. which of these is not a method used by cells to maintain pH

  • presence of cytoplasmic buffering molecules
  • high number of cation transport channels
  • increase in saturated fatty acids in the membrane
  • increased H+ impermeability

4. which of these is not a virulence factor?

  • adhesions to aid in cell attachment
  • low infectivity
  • flagella to aid motility
  • high pathogenicity

5. syphilis causes which symptoms?

  • mild vaginitis, salpingitis and pid
  • painless chancre, fever and neurological
  • urethritis, pid and cervicitis
  • painful chancre

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