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5 Written questions

5 Matching questions

  1. Positive biofilm
  2. Capsule
  3. Generation time
  4. Stages of reproduction
  5. Cannot have both a capsule or a slime layer
  1. a enlargement (metabolic activity)
    DNA replication
    cell wall/membrane invaginate
    Wall formed
    daughter cells formed
  2. b jelly-like layer secreted by the cell
    adheres to cell wall
    thick and regular
    takes the shape of the cell
    protects from phagocytes
    enhances virulence
  3. c TIME required for one cell to produce two new cells (not binary fission)
    15-20 mins.
  4. d Ecoli in the colon
    antagonistic effect
  5. e one or the other

5 Multiple choice questions

  1. small circles of DNA
    not connected to nucleoid
    R factors, toxins (amount of lipid A)
    genetic engineering
    "junk DNA"- no end product 95%
  2. longer
    allows bacteria to adhere to each other
    provide a pathway for DNA transfer
    sexual process
  3. layers of cell wall and cell membrane
  4. circular
  5. thin, shorter, hair-like appendages
    attachment of conjugation
    pilin protein

5 True/False questions

  1. Quorum sensingdetect other bacteria (like and like)


  2. Negative biofilmBurns and dental
    secondary STD infections


  3. Clostridium tetanitetanus
    neuromuscular junction


  4. Clostridum difficiletetanus
    neuromuscular junction


  5. Pseudomonas aerugnosaswarmer biofilm
    leading cause of death among burn victims*


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