Multiple Choice Questions

T/FGram-negative bacteria do not have peptidoglycan in their cell walls.
  • T
  • F
  • amphitrichous.
  • acid-fast
T/FIodine is the decolorizer in the Gram stain.
  • wall.
  • T
  • F
  • Gram-positive organisms.
T/FThe bacterial cell membrane is a site for many enzymes and metabolic reactions.
  • F
  • T
  • capsule
  • Gram-negative
T/F Alcohol-based compounds can weaken the outer membrane of Gram-negative bacteria.
  • wall.
  • F
  • T
  • tetrad
T/FThe cell envelope of Gram-positive bacteria has two layers: a thick cell wall and the cell membrane.
  • T
  • inclusions.
  • F
  • acid-fast
T/FBacteria have a cytoskeleton of protein polymers to help maintain their shape.
  • F
  • Mycobacterium.
  • T
  • Gram-positive.
T/FBoth Gram-positive and Gram-negative cells have outer membranes.
  • F
  • cell membrane.
  • T
  • amphitrichous.
T/FBoiling water (100°C) can normally destroy all endospores.
  • tetrad
  • Mycobacterium.
  • F
  • T
T/FArchaea do not have the typical peptidoglycan structure found in bacterial cell walls.
  • F
  • wall.
  • T
  • periplasmic flagella (axial filaments).
T/FEndospores of certain bacterial species can enter tissues in the human body, germinate, and cause an infectious disease.
  • staphylococcus
  • F
  • lysozyme
  • T
T/FThe flagella of bacteria move in a whip-like motion
  • F
  • flagella.
  • rRNA.
  • T
T/FCellular organisms without a true nucleus include bacteria and viruses.
  • amphitrichous.
  • F
  • T
  • basal body.
T/FThe slime layer provides bacteria greater pathogenicity as compared to the capsule.
  • wall.
  • peritrichous.
  • T
  • F
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Multiple Choice Questions
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