L1-3 quiz

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Created by
Katherine Burgess

Cards (15)

  • bacteria obtain iron using _
    siderophores
  • mesophilic bacteria grow best between
    20-40 degrees celcius
  • the log phase in bacteria is when:
    the number of cells double at a constant rate
  • pathogenicity is defined as the capacity of an organism to cause _
    disease
  • fimbriae can affect the degree of _ of bacteria
    pathogenicity
  • only gram _ bacteria produce endotoxins
    negative
  • bacterial pathogens require a _
    reservoir
  • endotoxins are:
    • produced by gram-negative bacteria
    • heat stable
    • part of the cell membrane
    • weakly immunogenic
  • endospores:
    • can be produced by bacteria
    • contain a nucleoid
    • highly resistant to heat
  • taxonomy is the science of biological _
    classification
  • prokaryotes contain a _ instead of a nucleus

    nucleoid
  • the major component of gram-positive cell walls is _
    peptidoglycan
  • lipopolysaccharide (LPS) is found in the outer membrane of gram _ bacteria

    negative
  • gram stain distinguishes:

    gram positive and gram negative bacteria
  • plural for bacterium is _
    bacteria