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5 Written questions

5 Matching questions

  1. Chemotaxis
  2. Quorum sensing
  3. Clostridium tetani
  4. Endospores
  5. Most numerous species
  1. a movement towards nutrients and away from harmful chemicals
  2. b bacteria
  3. c dense round, oval structure
    resistant
    produced for survival
    remains viable but dormant after vegetative cell death
    will germinate in favorable conditions
  4. d detect other bacteria (like and like)
  5. e tetanus
    neuromuscular junction

5 Multiple choice questions

  1. swarmer biofilm
    leading cause of death among burn victims*
  2. capable of life, metabolically inactive
  3. Bacillus and Clostridium
  4. one or the other
  5. jelly-like layer secreted by the cell
    adheres to cell wall
    thin layer, loose fitting, irregular
    protects against drying
    allows bacteria to adhere to surfaces or to each other

5 True/False questions

  1. Plasmidssmall circles of DNA
    not connected to nucleoid
    R factors, toxins (amount of lipid A)
    genetic engineering
    "junk DNA"- no end product 95%

          

  2. Generation timelonger
    allows bacteria to adhere to each other
    provide a pathway for DNA transfer
    sexual process

          

  3. Clostridum difficiletetanus
    neuromuscular junction

          

  4. Prokaryotic genetic materialcircular

          

  5. Conjugation PiliTIME required for one cell to produce two new cells (not binary fission)
    15-20 mins.