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Foundations in Microbiology chapter 4
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Foundations in Microbiology chapter 4
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4Student: ___________________________________________________________________________
1. Bacterial cells could have any of the following appendages except
A. flagella.
B. cilia.
C. fimbriae.
D. periplasmic flagella (axial filaments).
E. sex pili.
2. Spirochetes have a twisting and flexing locomotion due to appendages called
A. flagella.
B. cilia.
C. fimbriae.
D. periplasmic flagella (axial filaments).
E. sex pili.
3. The short, numerous appendages used by some bacterial cells for adhering to
surfaces are called
A. flagella.
B. cilia.
C. fimbriae.
D. periplasmic flagella (axial filaments).
E. sex pili.
4. The transfer of genes during bacterial conjugation involves rigid, tubular appendages
called
A. flagella.
B. cilia.
C. fimbriae.
D. periplasmic flagella (axial filaments).
E. sex pili.
,5. All bacterial cells have
A. a chromosome.
B. fimbriae.
C. endospores.
D. capsules.
E. flagella.
6. The term that refers to the presence of flagella all over the cell surface is
A. amphitrichous.
B. atrichous.
C. lophotrichous.
D. monotrichous.
E. peritrichous.
7. The outcome of the Gram stain is based on differences in the cell's
A. ribosomes.
B. inclusions.
C. cell wall.
D. cell membrane.
E. flagella.
8. The most immediate result of destruction of a cell's ribosomes would be
A. material would not be able to cross the cell membrane.
B. protein synthesis would stop.
C. destruction of the cell's DNA.
D. formation of glycogen inclusions.
E. loss of capsule.
9. A bacterial cell exhibiting chemotaxis probably has
A. fimbriae.
B. capsule.
C. mesosomes.
D. flagella.
E. metachromatic granules.
, 10. Which structure protects bacteria from being phagocytized?
A. slime layer
B. fimbriae
C. cell membrane
D. capsule
E. All of the choices are correct.
11. If bacteria living in salty seawater were displaced to a freshwater environment, the
cell structure that would prevent the cells from rupturing is
A. endospore.
B. cell wall.
C. cell membrane.
D. capsule.
E. slime layer.
12. Peptidoglycan is a unique macromolecule found in bacterial
A. cell walls.
B. cell membranes.
C. capsules.
D. slime layers.
E. inclusions.
13. All of the following structures contribute to the ability of pathogenic bacteria to cause
disease except
A. inclusions.
B. fimbriae.
C. capsule.
D. slime layer.
E. outer membrane of gram negative cell walls.
14. A procaryotic cell wall that has primarily peptidoglycan with small amounts of
teichoic acid and lipoteichoic acid is
A. gram negative.
B. gram positive.
C. archaea.
D. spheroplast.
E. acid fast.
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