Question 1

The cell envelope or its parts can interact with human tissue and cause disease.

Accepted Answer

A) True 
 B)False

Question 2

The site for ATP synthesis in bacterial cells is the ______.

Accepted Answer

A)  cell membrane
B)  mitochondrion
C)  cell wall
D)  microcompartment
E)  ribosomeF) B) and E)
G) A) and E)

Question 3

The most immediate result of destruction of a cell's ribosomes would be that

Accepted Answer

A)  material would not cross the cell membrane.
B)  the chromosome would unravel.
C)  protein synthesis would stop.
D)  holes would appear in the capsule.
E)  glycogen inclusions would form.F) None of the above
G) All of the above

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is mismatched?

Accepted Answer

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

Question 6

Which of the following is not true of the outer membrane?

Accepted Answer

A)  The uppermost layer is made of lipopolysaccharide.
B)  The lipid portion of the lipopolysaccharide layer is termed endotoxin.
C)  Gram-positive bacteria have an outer membrane.
D)  The innermost layer is a phospholipid bilayer.
E)  Porins create channels through the outer membrane.F) B) and D)
G) B) and E)

Question 7

When bacilli in a chain fold back upon each other like a hinge, this cellular arrangement is termed a ______.

Accepted Answer

A)  strep
B)  staph
C)  sarcina
D)  tetrad
E)  palisadeF) C) and D)
G) D) and E)

Question 8

The chemical components of ribosomes are proteins and ______.

Accepted Answer

A)  mRNA
B)  tRNA
C)  rRNA
D)  DNAE) A) and B)
F) B) and D)

Question 9

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

Accepted Answer

A)  gram-negative outer membrane
B)  inclusions
C)  slime layer
D)  capsule
E)  fimbriaeF) A) and D)
G) B) and D)

Question 10

The basal body of a flagellum is anchored into the ______.

Accepted Answer

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

Question 11

Gram-negative bacteria

Accepted Answer

A)  have a more complex cell envelope with a greater variation in chemical composition.
B)  appear purple following the Gram stain.
C)  are generally more susceptible to antibiotics than gram-positive bacteria.
D)  include all pathogens.E) All of the above
F) B) and C)

Question 12

Serological analysis for bacterial identification typically involves using

Accepted Answer

A)  specific antibodies to the bacterial cell antigens.
B)  a microscope to determine cell morphology.
C)  the determination of guanine + cytosine base concentrations.
D)  methods to identify cell enzymes.
E)  the analysis of the appearance of colonies.F) B) and C)
G) A) and E)

Question 13

A bacterial genus that has waxy mycolic acid in the cell walls is ______.

Accepted Answer

A)  Bacillus
B)  Mycobacterium
C)  Mycoplasma
D)  Corynebacterium.
E)  StreptococcusF) C) and D)
G) A) and B)

Question 14

Alcohol-based hand sanitizers specifically target lipids, making them most effective when trying to eliminate ______.

Accepted Answer

A)  endospores
B)  biofilms
C)  gram-positives
D)  viruses
E)  gram-negativesF) B) and C)
G) C) and D)

Exam 4: Bacteria and Archaea

Gram-negative bacteria

Correct Answer
verified

The most immediate result of destruction of a cell's ribosomes would be that

Correct Answer
verified

Serological analysis for bacterial identification typically involves using

Correct Answer
verified

Which of the following is not true of the outer membrane?

Correct Answer
verified

The basal body of a flagellum is anchored into the ______.

Correct Answer
verified

The chemical components of ribosomes are proteins and ______.

Correct Answer
verified

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

Correct Answer
verified

A bacterial genus that has waxy mycolic acid in the cell walls is ______.

Correct Answer
verified

The cell envelope or its parts can interact with human tissue and cause disease.

Correct Answer
verified

When bacilli in a chain fold back upon each other like a hinge, this cellular arrangement is termed a ______.

Correct Answer
verified

The site for ATP synthesis in bacterial cells is the ______.

Correct Answer
verified

Which of the following is mismatched?

Correct Answer
verified

Alcohol-based hand sanitizers specifically target lipids, making them most effective when trying to eliminate ______.

Correct Answer
verified

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

Correct Answer
verified

Exam 4: Bacteria and Archaea

Gram-negative bacteria

Correct AnswerverifiedShow Answer

The most immediate result of destruction of a cell's ribosomes would be that

Correct AnswerverifiedShow Answer

Serological analysis for bacterial identification typically involves using

Correct AnswerverifiedShow Answer

Which of the following is not true of the outer membrane?

Correct AnswerverifiedShow Answer

The basal body of a flagellum is anchored into the ______.

Correct AnswerverifiedShow Answer

The chemical components of ribosomes are proteins and ______.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A bacterial genus that has waxy mycolic acid in the cell walls is ______.

Correct AnswerverifiedShow Answer

The cell envelope or its parts can interact with human tissue and cause disease.

Correct AnswerverifiedShow Answer

When bacilli in a chain fold back upon each other like a hinge, this cellular arrangement is termed a ______.

Correct AnswerverifiedShow Answer

The site for ATP synthesis in bacterial cells is the ______.

Correct AnswerverifiedShow Answer

Which of the following is mismatched?

Correct AnswerverifiedShow Answer

Alcohol-based hand sanitizers specifically target lipids, making them most effective when trying to eliminate ______.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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