Question 1

The enzyme _____,that is found in tears and saliva,can hydrolyze the bonds in the glycan chains of certain bacterial cell walls.

Accepted Answer

A)  penicillinase
B)  lysozyme
C)  peptidase
D)  kinaseE) A) and B)
F) All of the above

Question 2

Which of the following is mismatched?

Accepted Answer

A)  Gracilicutes - gram-negative cell walls
B)  Firmicutes - gram-positive cell walls
C)  Tenericutes - waxy,acid-fast cell walls
D)  Mendosicutes - archaea cell wallsE) A) and D)
F) All of the above

Question 3

The basal body of a flagellum is anchored into the

Accepted Answer

A)  hook.
B)  outer membrane.
C)  cell wall.
D)  peptidoglycan layer.
E)  cell membrane.F) A) and B)
G) A) and C)

Question 4

All of the following structures contribute to the ability of pathogenic bacteria to cause disease except the

Accepted Answer

A)  inclusions.
B)  fimbriae.
C)  capsule.
D)  slime layer.
E)  outer membrane of gram-negative cell walls.F) None of the above
G) A) and B)

Question 5

The prokaryotic cell membrane is a site for many enzymes and metabolic reactions.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is not a phenotypic trait of bacteria?

Accepted Answer

A)  rRNA sequence
B)  shape
C)  culture behavior
D)  biochemical reactionE) A) and B)
F) C) and D)

Question 7

Movement of a cell toward OR away from a chemical stimulus is termed:

Accepted Answer

A)  phototaxis.
B)  taxis.
C)  chemotaxis.
D)  tumble.
E)  motility.F) A) and E)
G) A) and B)

Question 8

Boiling water (100$\circ$C)can normally destroy endospores.

Accepted Answer

A) True 
 B)False

Question 9

Flagella move in a whip-like motion.

Accepted Answer

A) True 
 B)False

Question 10

Plasmids

Accepted Answer

A)  are found in all bacteria.
B)  are essential for survival.
C)  cannot be passed between organisms.
D)  cannot be passed on to progeny.
E)  often carry genes controlling pathogenicity.F) A) and B)
G) B) and E)

Question 11

Syphilis is caused by a spirochete called

Accepted Answer

A)  Proteus vulgaris.
B)  Chlamydia trachomatis.
C)  Treponema pallidum.
D)  Staphylococcus aureus.
E)  Bacillus anthracis.F) B) and C)
G) D) and E)

Question 12

The transfer of genes during bacterial conjugation involves rigid,tubular appendages called

Accepted Answer

A)  flagella.
B)  cilia.
C)  fimbriae.
D)  periplasmic flagella (axial filaments) .
E)  sex pili.F) A) and E)
G) A) and B)

Question 13

The chemical components of ribosomes are proteins and

Accepted Answer

A)  mRNA.
B)  tRNA.
C)  rRNA.
D)  xRNAE) B) and C)
F) A) and D)

Question 14

A nutrient binds to receptors near the basal body.This will result in

Accepted Answer

A)  clockwise rotation of flagella.
B)  counterclockwise rotation of flagella.
C)  inhibition of flagella rotation.
D)  numerous tumbles.E) B) and D)
F) A) and C)

Question 15

Hot carbol fuchsin is the primary dye in the acid-fast stain.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is mismatched?

Accepted Answer

A)  ribosomes - protein synthesis
B)  inclusions - excess cell nutrients and materials
C)  plasmids - contain genes essential for growth and metabolism
D)  nucleoid - hereditary material
E)  cytoplasm - dense,gelatinous solutionF) A) and E)
G) A) and C)

Question 17

The prokaryotic flagellum has three parts in the order from cytoplasm to external environment.They are

Accepted Answer

A)  filament,hook,and basal body.
B)  filament,basal body,and hook.
C)  basal body,hook,and filament.
D)  hook,basal body,and filament.
E)  basal body,filament,and hook.F) A) and D)
G) B) and E)

Question 18

The two functions of bacterial appendages are

Accepted Answer

A)  attachment and protection.
B)  attachment and motility.
C)  motility and slime production.
D)  energy reactions and synthesis.
E)  protection and motility.F) C) and D)
G) A) and E)

Question 19

An irregular cluster of spherical cells is termed:

Accepted Answer

A)  palisades.
B)  sarcina.
C)  staphylococcus.
D)  streptococcus.
E)  spirilla.F) B) and E)
G) B) and D)

Question 20

Which of the following species of bacteria is not closely related to the others?

Accepted Answer

A)  Streptoccocus pyogenes
B)  Staphylococcus epidermidis
C)  Peptostreptococcus anaerobius
D)  Escherichia coli
E)  Staphylococcus auricularisF) B) and D)
G) A) and D)

Exam 4: Prokaryotic Profiles: The Bacteria and Archaea

Flagella move in a whip-like motion.

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Movement of a cell toward OR away from a chemical stimulus is termed:

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The chemical components of ribosomes are proteins and

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Hot carbol fuchsin is the primary dye in the acid-fast stain.

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Boiling water (100 ∘\circ∘ C)can normally destroy endospores.

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Which of the following is not a phenotypic trait of bacteria?

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Syphilis is caused by a spirochete called

Correct AnswerverifiedShow Answer

The two functions of bacterial appendages are

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The enzyme _____,that is found in tears and saliva,can hydrolyze the bonds in the glycan chains of certain bacterial cell walls.

Correct AnswerverifiedShow Answer

Which of the following is mismatched?

Correct AnswerverifiedShow Answer

The prokaryotic flagellum has three parts in the order from cytoplasm to external environment.They are

Correct AnswerverifiedShow Answer

Which of the following is mismatched?

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A nutrient binds to receptors near the basal body.This will result in

Correct AnswerverifiedShow Answer

An irregular cluster of spherical cells is termed:

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The prokaryotic cell membrane is a site for many enzymes and metabolic reactions.

Correct AnswerverifiedShow Answer

The transfer of genes during bacterial conjugation involves rigid,tubular appendages called

Correct AnswerverifiedShow Answer

Which of the following species of bacteria is not closely related to the others?

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The basal body of a flagellum is anchored into the

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Plasmids

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All of the following structures contribute to the ability of pathogenic bacteria to cause disease except the

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Boiling water (100^$\circ$C)can normally destroy endospores.

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