Question 1

Some __________ use group translocation as a means of transport.

Accepted Answer

A)  eukaryotes 
B)  bacteria 
C)  archaea 
D)  prokaryotes 
E)  eukaryotes and prokaryotes 
A)  eukaryotes 
B)  bacteria 
C)  archaea 
D)  prokaryotes 
E)  eukaryotes and prokaryotes B

Question 2

Bacterial pili can be described as

Accepted Answer

A)  composed of tubulin. 
B)  solid, rigid protein structures. 
C)  composed of peptidoglycan. 
D)  specialized fimbriae. 
E)  a means of locomotion. 
A)  composed of tubulin. 
B)  solid, rigid protein structures. 
C)  composed of peptidoglycan. 
D)  specialized fimbriae. 
E)  a means of locomotion. D

Question 3

The cell walls of __________ contain tetrapeptides.

Accepted Answer

A)  Gram-negative bacteria 
B)  Gram-positive bacteria 
C)  both Gram-positive and Gram-negative bacteria 
D)  archaea 
E)  all prokaryotes 
A)  Gram-negative bacteria 
B)  Gram-positive bacteria 
C)  both Gram-positive and Gram-negative bacteria 
D)  archaea 
E)  all prokaryotes C

Question 4

Hopanoids are found in __________ cytoplasmic membranes.

Accepted Answer

A)  eukaryotic 
B)  bacterial 
C)  archaeal 
D)  prokaryotic 
E)  no 
A)  eukaryotic 
B)  bacterial 
C)  archaeal 
D)  prokaryotic 
E)  no

Question 5

Bacterial cell walls that are resistant to drying contain

Accepted Answer

A)  carbohydrates. 
B)  amino acids. 
C)  lipopolysaccharide. 
D)  tubulin. 
E)  waxes. 
A)  carbohydrates. 
B)  amino acids. 
C)  lipopolysaccharide. 
D)  tubulin. 
E)  waxes.

Question 6

Which of the following is NOT a component of bacterial flagella?

Accepted Answer

A)  flagellin 
B)  basal body 
C)  tubulin 
D)  filament 
E)  hook 
A)  flagellin 
B)  basal body 
C)  tubulin 
D)  filament 
E)  hook

Question 7

Chromatin is composed of DNA and special packaging proteins called hopanoids.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following statements concerning centrioles is FALSE?

Accepted Answer

A)  The structure of centrioles is similar to that of eukaryotic flagella and cilia. 
B)  Centrioles are believed to play a role in cellular processes such as mitosis and cytokinesis. 
C)  Centrioles are found in a region of the cell called the centrosome. 
D)  Centrioles are found in all organisms except prokaryotes. 
E)  Centrioles are composed of microtubules. 
A)  The structure of centrioles is similar to that of eukaryotic flagella and cilia. 
B)  Centrioles are believed to play a role in cellular processes such as mitosis and cytokinesis. 
C)  Centrioles are found in a region of the cell called the centrosome. 
D)  Centrioles are found in all organisms except prokaryotes. 
E)  Centrioles are composed of microtubules.

Question 9

In a(n) __________ solution, an animal cell can gain so much water that it may burst.

Accepted Answer

The answer of In a(n) __________ solution, an animal cell...

Question 10

A structural molecule found in eukaryotic cytoskeletons, flagella, cilia, and centrioles is __________.

Accepted Answer

The answer of A structural molecule found in eukaryotic cytoskeletons,...

Question 11

The presence of a cell __________ enables bacterial and plant cells to resist the effects of hypotonic solutions.

Accepted Answer

The answer of The presence of a cell __________ enables...

Question 12

Endocytosis and exocytosis are means of transport used by

Accepted Answer

A)  bacteria. 
B)  eukaryotes. 
C)  archaea. 
D)  all prokaryotes. 
E)  no cells use both processes. 
A)  bacteria. 
B)  eukaryotes. 
C)  archaea. 
D)  all prokaryotes. 
E)  no cells use both processes.

Question 13

Which of the following statements about the endoplasmic reticulum (ER) is CORRECT?

Accepted Answer

A)  The rough ER is the site of lipid synthesis. 
B)  The smooth ER has ribosomes associated with it. 
C)  The ER is a lipid storage organelle. 
D)  The ER is a transport system within the cytoplasm. 
E)  The smooth ER is a site of ATP synthesis. 
A)  The rough ER is the site of lipid synthesis. 
B)  The smooth ER has ribosomes associated with it. 
C)  The ER is a lipid storage organelle. 
D)  The ER is a transport system within the cytoplasm. 
E)  The smooth ER is a site of ATP synthesis.

Question 14

Another name for a channel protein in the cell membrane is __________.

Accepted Answer

The answer of Another name for a channel protein in...

Question 15

Most antibacterial drugs disrupt or destroy bacterial cellular characteristics that are different from those of eukaryotic cells or that may not even be present in eukaryotic cells. List and describe at least three cellular features of bacteria that could be targeted to inhibit or kill a bacterial pathogen.

Accepted Answer

1) Cell wall: The cell wall of almost al

Question 16

Which of the following is classified as a membranous organelle of eukaryotic cells?

Accepted Answer

A)  endoplasmic reticulum 
B)  ribosome 
C)  cytoskeleton 
D)  centriole 
E)  both ribosomes and centrioles 
A)  endoplasmic reticulum 
B)  ribosome 
C)  cytoskeleton 
D)  centriole 
E)  both ribosomes and centrioles

Question 17

Which of the following statements concerning endocytosis and exocytosis is CORRECT?

Accepted Answer

A)  These processes occur in both prokaryotes and eukaryotes. 
B)  Phagocytosis is a type of endocytosis in which liquids are brought into the cell. 
C)  Endocytosis produces a structure called a food vesicle. 
D)  Waste products and secretions are exported from the cell during endocytosis. 
E)  Endocytosis is a form of passive transport, whereas exocytosis is a form of active transport. 
A)  These processes occur in both prokaryotes and eukaryotes. 
B)  Phagocytosis is a type of endocytosis in which liquids are brought into the cell. 
C)  Endocytosis produces a structure called a food vesicle. 
D)  Waste products and secretions are exported from the cell during endocytosis. 
E)  Endocytosis is a form of passive transport, whereas exocytosis is a form of active transport.

Question 18

Lipid-soluble molecules would be expected to cross the cytoplasmic membrane by which of the following processes?

Accepted Answer

A)  osmosis 
B)  facilitated diffusion 
C)  diffusion 
D)  active transport 
E)  group translocation 
A)  osmosis 
B)  facilitated diffusion 
C)  diffusion 
D)  active transport 
E)  group translocation

Question 19

Which of the following is unique to archaea?

Accepted Answer

A)  LPS 
B)  peptidoglycan 
C)  hami 
D)  fimbriae 
E)  pili 
A)  LPS 
B)  peptidoglycan 
C)  hami 
D)  fimbriae 
E)  pili

Question 20

Cytoplasmic membranes of __________ are composed of phospholipids.

Accepted Answer

A)  bacteria 
B)  eukaryotes 
C)  archaea 
D)  prokaryotes 
E)  both bacteria and eukaryotes 
A)  bacteria 
B)  eukaryotes 
C)  archaea 
D)  prokaryotes 
E)  both bacteria and eukaryotes

Exam 3: Cell Structure and Function

Some __________ use group translocation as a means of transport.

Bacterial pili can be described as

The cell walls of __________ contain tetrapeptides.

Hopanoids are found in __________ cytoplasmic membranes.

Bacterial cell walls that are resistant to drying contain

Which of the following is NOT a component of bacterial flagella?

Chromatin is composed of DNA and special packaging proteins called hopanoids.

Which of the following statements concerning centrioles is FALSE?

In a(n) __________ solution, an animal cell can gain so much water that it may burst.

A structural molecule found in eukaryotic cytoskeletons, flagella, cilia, and centrioles is __________.

The presence of a cell __________ enables bacterial and plant cells to resist the effects of hypotonic solutions.

Endocytosis and exocytosis are means of transport used by

Which of the following statements about the endoplasmic reticulum (ER) is CORRECT?

Another name for a channel protein in the cell membrane is __________.

Which of the following is classified as a membranous organelle of eukaryotic cells?

Which of the following statements concerning endocytosis and exocytosis is CORRECT?

Lipid-soluble molecules would be expected to cross the cytoplasmic membrane by which of the following processes?

Which of the following is unique to archaea?

Cytoplasmic membranes of __________ are composed of phospholipids.

A Brief History of Microbiology

The Chemistry of Microbiology

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant Dna Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Aids and Other Immune Disorders

Microbial Diseases of the Skin and Wounds

Microbial Diseases of the Nervous System and Eyes

Microbial Cardiovascular and Systemic Diseases

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Applied and Environmental Microbiology

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