Question 1

Fibrous structures some archaea use for attachment to surfaces are __________.

Accepted Answer

The answer of Fibrous structures some archaea use for attachment...

Question 2

Which of the following may have cell walls containing teichoic acids?

Accepted Answer

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

Question 3

The cytoplasmic membranes of __________ contain phospholipids and proteins.

Accepted Answer

A)  archaeal cells 
B)  bacterial cells 
C)  eukaryotic cells 
D)  both bacterial and eukaryotic cells 
E)  archaeal, bacterial, and eukaryotic cells 
A)  archaeal cells 
B)  bacterial cells 
C)  eukaryotic cells 
D)  both bacterial and eukaryotic cells 
E)  archaeal, bacterial, and eukaryotic cells

Question 4

Which of the following statements concerning osmosis is FALSE?

Accepted Answer

A)  Osmosis requires a selectively permeable membrane. 
B)  During osmosis, water crosses to the side of the membrane with a lower solute concentration. 
C)  Cells placed in hypotonic solutions will gain water. 
D)  Crenation results when cells are placed in a hypertonic solution. 
E)  Osmosis stops when the system reaches equilibrium. 
A)  Osmosis requires a selectively permeable membrane. 
B)  During osmosis, water crosses to the side of the membrane with a lower solute concentration. 
C)  Cells placed in hypotonic solutions will gain water. 
D)  Crenation results when cells are placed in a hypertonic solution. 
E)  Osmosis stops when the system reaches equilibrium.

Question 5

Which of the following molecules would be expected to cross the cytoplasmic membrane rapidly and without the use of transport proteins?

Accepted Answer

A)  large molecules 
B)  ions 
C)  small hydrophobic molecules 
D)  small hydrophilic molecules 
E)  both ions and hydrophilic molecules 
A)  large molecules 
B)  ions 
C)  small hydrophobic molecules 
D)  small hydrophilic molecules 
E)  both ions and hydrophilic molecules

Question 6

Formation of a biofilm may contribute to bacteria's ability to cause disease.

Accepted Answer

A) True 
 B)False

Question 7

Chloroplasts differ from mitochondria in that they have

Accepted Answer

A)  DNA. 
B)  two lipid bilayers. 
C)  70S ribosomes. 
D)  light-harvesting pigments. 
E)  cristae. 
A)  DNA. 
B)  two lipid bilayers. 
C)  70S ribosomes. 
D)  light-harvesting pigments. 
E)  cristae.

Question 8

Describe how the structure of the bacterial cytoplasmic membrane relates to its function of selective permeability.

Accepted Answer

The structure and function of the cytopl

Question 9

Membrane rafts are found in the cytoplasmic membranes of

Accepted Answer

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

Question 10

The process of facilitated diffusion requires an input of energy.

Accepted Answer

A) True 
 B)False

Question 11

Lysosomes result from the endocytosis of food particles by eukaryotic cells.

Accepted Answer

A) True 
 B)False

Question 12

The reserve deposits of starch or other compounds found in many prokaryotic cells are called __________.

Accepted Answer

The answer of The reserve deposits of starch or other...

Question 13

Which of the following statements concerning the endosymbiotic theory is FALSE?

Accepted Answer

A)  Eukaryotes were formed from the union of small anaerobic cells by larger aerobic cells. 
B)  Mitochondria and chloroplasts can divide independently of the cell. 
C)  Mitochondria and chloroplasts have their own DNA and ribosomes. 
D)  The cristae of mitochondria evolved from the cytoplasmic membrane of prokaryotes. 
E)  The endosymbiotic theory is not universally accepted. 
A)  Eukaryotes were formed from the union of small anaerobic cells by larger aerobic cells. 
B)  Mitochondria and chloroplasts can divide independently of the cell. 
C)  Mitochondria and chloroplasts have their own DNA and ribosomes. 
D)  The cristae of mitochondria evolved from the cytoplasmic membrane of prokaryotes. 
E)  The endosymbiotic theory is not universally accepted.

Question 14

Short, hairlike structures used only by eukaryotic cells for movement are called

Accepted Answer

A)  pili. 
B)  flagella. 
C)  fimbriae. 
D)  pseudopodia. 
E)  cilia. 
A)  pili. 
B)  flagella. 
C)  fimbriae. 
D)  pseudopodia. 
E)  cilia.

Question 15

When cells are placed in a hypertonic solution, they lose water and shrivel. This process is called

Accepted Answer

A)  crenation. 
B)  endocytosis. 
C)  passive transport. 
D)  periplasm. 
E)  plasmalemma. 
A)  crenation. 
B)  endocytosis. 
C)  passive transport. 
D)  periplasm. 
E)  plasmalemma.

Question 16

Endospores survive a variety of harsh conditions in part because of the presence of

Accepted Answer

A)  mycolic acid. 
B)  lipopolysaccharide. 
C)  hopanoids. 
D)  dipicolinic acid. 
E)  glycoproteins. 
A)  mycolic acid. 
B)  lipopolysaccharide. 
C)  hopanoids. 
D)  dipicolinic acid. 
E)  glycoproteins.

Question 17

The cell walls of __________ contain peptidoglycan.

Accepted Answer

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

Question 18

Compare and contrast archaea and bacteria, with particular attention to the features that lead to their placement in separate taxa.

Accepted Answer

Bacterial cell walls are composed of pep

Question 19

The glycocalyx of a eukaryotic cell performs all of the following functions EXCEPT

Accepted Answer

A)  protection against dehydration. 
B)  anchoring cells to each other. 
C)  cellular recognition and communication. 
D)  transfer of genetic material between cells. 
E)  strengthening the cell surface. 
A)  protection against dehydration. 
B)  anchoring cells to each other. 
C)  cellular recognition and communication. 
D)  transfer of genetic material between cells. 
E)  strengthening the cell surface.

Question 20

A bacterial cell moving toward light would be an example of

Accepted Answer

A)  tumbles. 
B)  positive phototaxis. 
C)  negative phototaxis. 
D)  positive chemotaxis. 
E)  negative chemotaxis. 
A)  tumbles. 
B)  positive phototaxis. 
C)  negative phototaxis. 
D)  positive chemotaxis. 
E)  negative chemotaxis.

Exam 3: Cell Structure and Function

Fibrous structures some archaea use for attachment to surfaces are __________.

Which of the following may have cell walls containing teichoic acids?

The cytoplasmic membranes of __________ contain phospholipids and proteins.

Which of the following statements concerning osmosis is FALSE?

Which of the following molecules would be expected to cross the cytoplasmic membrane rapidly and without the use of transport proteins?

Formation of a biofilm may contribute to bacteria's ability to cause disease.

Chloroplasts differ from mitochondria in that they have

Describe how the structure of the bacterial cytoplasmic membrane relates to its function of selective permeability.

Membrane rafts are found in the cytoplasmic membranes of

The process of facilitated diffusion requires an input of energy.

Lysosomes result from the endocytosis of food particles by eukaryotic cells.

The reserve deposits of starch or other compounds found in many prokaryotic cells are called __________.

Which of the following statements concerning the endosymbiotic theory is FALSE?

Short, hairlike structures used only by eukaryotic cells for movement are called

When cells are placed in a hypertonic solution, they lose water and shrivel. This process is called

Endospores survive a variety of harsh conditions in part because of the presence of

The cell walls of __________ contain peptidoglycan.

Compare and contrast archaea and bacteria, with particular attention to the features that lead to their placement in separate taxa.

The glycocalyx of a eukaryotic cell performs all of the following functions EXCEPT

A bacterial cell moving toward light would be an example of

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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