BMS1026 microbiology (tutorial questions)

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1. sexually transmitted infections can be split into two groups, which of the following causes ulceration?

  • chlamydia
  • syphilis
  • trichomoniasis
  • gonorrhoea
  • candidal
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2. which of the following is an important risk factor associated with listeria monocytogenes infection?

  • pathogens become conc in filter feeding molluscs
  • causes profuse diarrhoea, allowing disease to spread rapidly through pop
  • growth is not inhibited at low temps, such as those used to refrigerate food
  • it survives in poorly bbq'ed meat as core temp is not hot enough to kill it
  • it spores germinates as food is cooling down, and toxins are produced by the resulting vegetative cells

3. which of the following is incorrect?

  • the genetic material of eukaryotes is contained in membrane bound nucleus
  • bacteria are better able to survive drier environmental conditions that fungi
  • animal cells lack cell walls
  • fungal cell walls contain mostly chitin
  • fungi are the main decomposers of soil ecosystems

4. influenza can adapt to the human host by:

  • acquiring human genes
  • acquiring bacterial genes
  • reassortment of genome segments by an already adapted influenza A
  • non genetic adaption
  • human ingestion of contaminated chicken

5. cytoplasmic streaming is:

  • a process that was involved in the evolution of eukaryotic cells
  • how fungi move nutrients and organelles through their hyphae
  • how viral particles move around the human body
  • a form of sexual reproduction in fungi
  • a form of asexual reproduction in fungi

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