Question 1

The term that refers to the presence of flagella all over the cell surface is

Accepted Answer

A)  amphitrichous.
B)  atrichous.
C)  lophotrichous.
D)  monotrichous.
E)  peritrichous.F) A) and C)
G) A) and B)

Question 2

The region between the bacterial cell membrane and the cell wall is called the outer membrane.

Accepted Answer

A) True 
 B)False

Question 3

The term diplococci refers to an irregular cluster of spherical bacterial cells.04.23 Identify several arrangements of bacteria and tell how they are formed.

Accepted Answer

A) True 
 B)False

Question 4

During the Gram stain, gram _____ cells decolorize when the alcohol is applied.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions.

Accepted Answer

The answer of During the Gram stain, gram _____ cells...

Question 5

What is the correct sequence for a Gram stain?

Accepted Answer

A)  Gram's iodine, crystal violet, alcohol, safranin
B)  crystal violet, safranin, alcohol, Gram's iodine
C)  crystal violet, Gram's iodine, alcohol, safranin
D)  safranin, crystal violet, Gram's iodine, alcohol
E)  alcohol, crystal violet, safranin, Gram's iodine04) 13 Summarize how gram-positive and gram-negative cells differ in their reactions.F) A) and E)
G) C) and E)

Question 6

If during the gram stain procedure, the bacterial cells were viewed immediately after crystal violet was applied, gram-positive cells would be purple but gram-negative cells would be colorless.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions.

Accepted Answer

A) True 
 B)False

Question 7

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 B)
G) A) and C) E

Question 8

Which phylum is mismatched?

Accepted Answer

A)  Gracilicutes - gram-negative cell walls
B)  Firmicutes - gram-positive cell walls
C)  Actinobacteria - waxy acid fast cell walls
D)  Proteobacteria - archaea cell walls
E)  None of the choices are correctF) B) and E)
G) C) and D)

Question 9

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

Accepted Answer

A)  inclusions.
B)  the fimbriae.
C)  the capsule.
D)  the slime layer.
E)  the outer membrane of gram-negative cell walls.F) C) and D)
G) B) and C)

Question 10

The periplasmic space is

Accepted Answer

A)  larger in gram-positive bacteria.
B)  made up of lipopolysaccharides and phospholipids.
C)  an important reaction site for substances entering and leaving the cell.
D)  where peptidoglycan is located.
E)  absent in gram-negative bacteria.04.15 Describe the structure of the cell membrane and explain several of its major roles in bacterial cells.F) B) and D)
G) C) and E) C

Question 11

Bacteria with small bunches of flagella emerging from the same site are said to be

Accepted Answer

A)  lophotrichous.
B)  peritrichous.
C)  monotrichous.
D)  amphitrichous.
E)  spirilla.F) C) and E)
G) None of the above

Question 12

The chemical components of ribosomes are proteins and _____.04.18 Characterize the bacterial ribosomes and cytoskeleton.

Accepted Answer

The answer of The chemical components of ribosomes are proteins...

Question 13

A procaryotic cell wall that has primarily peptidoglycan with small amounts of teichoic acid and lipoteichoic acid is

Accepted Answer

A)  gram-negative.
B)  gram-positive.
C)  archaea.
D)  spheroplast.
E)  acid fast.04.15 Describe the structure of the cell membrane and explain several of its major roles in bacterial cells.F) B) and E)
G) B) and D)

Question 14

Chemical analysis of a bacterial cell structure detects calcium dipicolinic acid.What is the identity of this structure?

Accepted Answer

A)  cell wall
B)  capsule
C)  slime layer
D)  nucleoid
E)  endospore04) 21 Discuss the resistance and significance of endospores.F) A) and D)
G) A) and B)

Question 15

The _____ stain is used to stain and differentiate Mycobacterium and Nocardia from other bacteria.

Accepted Answer

The answer of The _____ stain is used to stain...

Question 16

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

Accepted Answer

A)  Mycobacterium.
B)  Mycoplasma.
C)  Streptococcus.
D)  Corynebacterium.
E)  Salmonella.F) B) and D)
G) None of the above

Question 17

Which structure protects bacteria from being phagocytized?

Accepted Answer

A)  slime layer
B)  fimbriae
C)  cell membrane
D)  capsule
E)  All of the choices are correctF) A) and E)
G) A) and D)

Question 18

Which of the following characteristics is not a property of cells or living things?

Accepted Answer

A)  Cell boundary
B)  Ability to replicate
C)  Nucleus
D)  Responds to stimulus
E)  All of the choices are correct04) 02 Identify the primary properties that define life and living things.F) A) and B)
G) A) and C)

Question 19

An important indicator of evolutionary relatedness is to determine

Accepted Answer

A)  size of the periplasmic space.
B)  similarities of cell membrane proteins.
C)  size of the bacterial chromosome.
D)  nitrogen base sequence of rRNA.
E)  size of the ribosomes.F) A) and B)
G) C) and E)

Question 20

The short, numerous appendages used by some bacterial cells for adhering to surfaces are called

Accepted Answer

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

Exam 4: A Survey of Prokaryotic Cells and Microorganisms

The term that refers to the presence of flagella all over the cell surface is

Correct AnswerverifiedShow Answer

The region between the bacterial cell membrane and the cell wall is called the outer membrane.

Correct AnswerverifiedShow Answer

The term diplococci refers to an irregular cluster of spherical bacterial cells.04.23 Identify several arrangements of bacteria and tell how they are formed.

Correct AnswerverifiedShow Answer

During the Gram stain, gram _____ cells decolorize when the alcohol is applied.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions.

Correct AnswerverifiedShow Answer

What is the correct sequence for a Gram stain?

Correct AnswerverifiedShow Answer

If during the gram stain procedure, the bacterial cells were viewed immediately after crystal violet was applied, gram-positive cells would be purple but gram-negative cells would be colorless.04.13 Summarize how gram-positive and gram-negative cells differ in their reactions.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedE

Which phylum is mismatched?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The periplasmic space is

Correct AnswerverifiedC

Bacteria with small bunches of flagella emerging from the same site are said to be

Correct AnswerverifiedShow Answer

The chemical components of ribosomes are proteins and _____.04.18 Characterize the bacterial ribosomes and cytoskeleton.

Correct AnswerverifiedShow Answer

A procaryotic cell wall that has primarily peptidoglycan with small amounts of teichoic acid and lipoteichoic acid is

Correct AnswerverifiedShow Answer

Chemical analysis of a bacterial cell structure detects calcium dipicolinic acid.What is the identity of this structure?

Correct AnswerverifiedShow Answer

The _____ stain is used to stain and differentiate Mycobacterium and Nocardia from other bacteria.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which structure protects bacteria from being phagocytized?

Correct AnswerverifiedShow Answer

Which of the following characteristics is not a property of cells or living things?

Correct AnswerverifiedShow Answer

An important indicator of evolutionary relatedness is to determine

Correct AnswerverifiedShow Answer

The short, numerous appendages used by some bacterial cells for adhering to surfaces are called

Correct AnswerverifiedC

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E

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C

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C