Microbiology Quiz 2 - Chapter 4
- 1.The two functions of bacterial appendages are
- A.
Attachment and protection
- B.
Attachment and motility
- C.
Motility and slime production
- D.
Energy reactions and synthesis
- E.
Protection and motility
- 2.The basal body of a flagellum is anchored into the
- A.
Hook
- B.
Outer membrane
- C.
Cell wall
- D.
Peptidoglycan layer
- E.
Cell membrane
- 3.The term that refers to flagella at both poles is
- A.
Amphitrichous
- B.
Atrichous
- C.
Lophotrichous
- D.
Monotrichous
- E.
Peritrichous
- 4.Chemo taxis refers to the ability to
- A.
Move in response to light
- B.
Move in response to a chemical
- C.
Not move in response to a chemical
- D.
Transport desired molecules into cell
- E.
None of the choices are correct
- 5.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
- 6.A bacterial genus that has waxy mycolic acid in the cell walls is
- A.
Mycobacterium
- B.
Mycoplasma
- C.
Streptococcus
- D.
Corynebacterium
- E.
Salmonella
- 7.The enzyme _____, that is found in tears and saliva, can hydrolyze the bonds in the glycan chains of certain bacterial cell walls.
- A.
Penicillinase
- B.
Lysozyme
- C.
Peptidase
- D.
All of the choices are correct
- E.
None of the choices are correct
- 8.Lysozyme is most effective against
- A.
Gram negative organisms
- B.
Gram positive organisms
- C.
Mycoplasmas
- D.
Cyanobacteria
- E.
Archea
- 9.The fragile cell produced when gram positive bacteria are exposed to lysozyme or penicillin is a/an
- A.
Protoplast
- B.
Mycoplasma
- C.
Spheroplast
- D.
Glycocalyx
- E.
Glycan
- 10.All of the following structures contribute to the ability of pathogenic bacteria to cause disease except the
- A.
Inclusions
- B.
Fimbriae
- C.
Capsule
- D.
Slime layer
- E.
Outer membrane of gram negative cell walls
- 11.Which of the following does not pertain to endotoxins?
- A.
Are specific bacterial cell wall lipids
- B.
Can stimulate fever in the human body
- C.
Can cause septic shock in the human body
- D.
Involved in typhoid fever and some meningitis cases
- E.
Found in acid fast bacterial cell walls
- 12.Lipopolysaccharide is an important cell wall component of
- A.
Gram negative bacteria
- B.
Gram positive bacteria
- C.
Acid fast bacteria
- D.
Mycoplasmas
- E.
Protoplasts
- 13.The site/s for most ATP synthesis in prokaryotic cells is/are the
- A.
Ribosomes
- B.
Mitochondria
- C.
Cell wall
- D.
Inclusions
- E.
Cell membrane
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