BMS1026 microbiology

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

  • presence of cytoplasmic buffering molecules
  • increase in saturated fatty acids in the membrane
  • increased H+ impermeability
  • high number of cation transport channels
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2. which of these are symptoms of rabies (rhabdovirus)

  • muscle spasms
  • excessive salivation
  • all of the answers
  • respiratory paralysis
  • hydrophobia

3. which growth phase has growth at its maximum and all nutrients in excess

  • exponential phase
  • lag phase
  • log phase
  • stationary phase

4. during the lysogenic cycle of viral replication:

  • the viral DNA replicates along side the hosts
  • viral DNA is integrated into the hosts DNA
  • the host cell is destroyed by lysis
  • the virus is replicated as a whole unit

5. infectious diseases are those that:

  • are caused by microorganisms and are transmittable
  • are caused by microorganisms but are not transmittable
  • are easily transmitted through contact with infected individual
  • require a vector/transfer of bodily fluids to transfer disease causing particles

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