BMS1026 microbiology

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1. exotoxin reactions are caused by:

  • products that help the microbe avoid the immune system
  • LPS's on the outside of gram negative bacteria adhering to membranes
  • toxins secreted by the bacterium, often diffusible polypeptides
  • toxins released in the gut causing massive secretions of fluid into the gut lumen
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2. stimulating inflammation by degranulation causing the release of histamine is a feature of which immune cell?

  • mast cell
  • monocyte
  • t killer cell
  • natural killer cell

3. viruses are:

  • obligate intracellular parasites
  • facultative anaerobes
  • obligate aerobes
  • facultative intracellular parasites

4. the un-resitrictive, bi directional flow of protoplasm between filamentous fungal cells is known as

  • cytoplasmic flow
  • chytridiomycotsis
  • cytoplasmic streaming
  • hyphase streaming

5. which product is not commonly produced from GMO organisms with recombinant DNA:

  • insulin
  • antibiotics
  • human growth hormone
  • factor 8

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