Question 1

What is the function of the cellular structure indicated by "c" in Figure 3.2?

Accepted Answer

A)  protect from dehydration only 
B)  provide shape only 
C)  attach to surfaces only 
D)  attach to surfaces and protect from dehydration 
E)  provide shape, attach to surfaces, and protect from dehydration 
A)  protect from dehydration only 
B)  provide shape only 
C)  attach to surfaces only 
D)  attach to surfaces and protect from dehydration 
E)  provide shape, attach to surfaces, and protect from dehydration

Question 2

Which of the following is NOT a function of the eukaryotic cytoskeleton?

Accepted Answer

A)  packages cellular secretions 
B)  aids in contraction of the cell 
C)  gives shape to the cell 
D)  anchors organelles 
E)  performs endocytosis 
A)  packages cellular secretions 
B)  aids in contraction of the cell 
C)  gives shape to the cell 
D)  anchors organelles 
E)  performs endocytosis

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is paired INCORRECTLY?

Accepted Answer

A)  plants; cellulose cell wall 
B)  archaea; polysaccharide cell wall 
C)  algae; glycocalyx present 
D)  fungi; chitin, glucomannan and/or cellulose cell wall 
E)  bacteria; peptidoglycan cell wall 
A)  plants; cellulose cell wall 
B)  archaea; polysaccharide cell wall 
C)  algae; glycocalyx present 
D)  fungi; chitin, glucomannan and/or cellulose cell wall 
E)  bacteria; peptidoglycan cell wall

Question 5

A bacterial cell moving toward light would be an example of

Accepted Answer

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

Question 6

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

Accepted Answer

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

Question 7

may have pili.

Accepted Answer

A)  Prokaryotes 
B)  Eukaryotes 
C)  Archaea 
D)  Bacteria 
E)  Both eukaryotes and bacteria 
A)  Prokaryotes 
B)  Eukaryotes 
C)  Archaea 
D)  Bacteria 
E)  Both eukaryotes and bacteria

Question 8

Which of the following statements concerning osmosis is FALSE?

Accepted Answer

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

Question 9

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

Accepted Answer

The answer of In a(n) (hypertonic/isotonic/hypotonic) solution, an animal cell...

Question 10

A lipid found in prokaryotes but NOT in eukaryotes is

Accepted Answer

A)  triglyceride. 
B)  hopanoid. 
C)  fatty acid. 
D)  phospholipid. 
E)  steroid. 
A)  triglyceride. 
B)  hopanoid. 
C)  fatty acid. 
D)  phospholipid. 
E)  steroid.

Question 11

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

Accepted Answer

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

Question 12

The accumulation of glucose 6- phosphate inside a bacterial cell via phosphorylation of glucose is an example of

Accepted Answer

A)  diffusion. 
B)  plasmolysis. 
C)  group translocation. 
D)  osmosis. 
E)  facilitated diffusion. 
A)  diffusion. 
B)  plasmolysis. 
C)  group translocation. 
D)  osmosis. 
E)  facilitated diffusion.

Question 13

The smooth endoplasmic reticulum is the site of (protein/lipid/carbohydrate) synthesis.

Accepted Answer

The answer of The smooth endoplasmic reticulum is the site...

Question 14

The cells illustrated in Figure 3- 1 are in a(n) environment.

Accepted Answer

A)  isotonic 
B)  fluid mosaic 
C)  hypotonic 
D)  hypertonic 
E)  passive 
A)  isotonic 
B)  fluid mosaic 
C)  hypotonic 
D)  hypertonic 
E)  passive

Question 15

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

Accepted Answer

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

Question 16

Using a microscope, you observe an amoeba moving toward a food source. This is an example of

Accepted Answer

A)  metabolism. 
B)  responsiveness. 
C)  reproduction. 
D)  growth. 
E)  cellular structure. 
A)  metabolism. 
B)  responsiveness. 
C)  reproduction. 
D)  growth. 
E)  cellular structure.

Question 17

Which of the following chemical substances contributes to the unique characteristics of acid- fast bacteria?

Accepted Answer

A)  peptidoglycan 
B)  mycolic acid 
C)  lipoteichoic acid 
D)  endotoxin 
E)  N- acetylglucosamine 
A)  peptidoglycan 
B)  mycolic acid 
C)  lipoteichoic acid 
D)  endotoxin 
E)  N- acetylglucosamine

Question 18

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

Accepted Answer

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

Question 19

Chloroplasts differ from mitochondria in that the former have

Accepted Answer

A)  thylakoids. 
B)  cristae. 
C)  70S ribosomes. 
D)  DNA. 
E)  two lipid bilayers. 
A)  thylakoids. 
B)  cristae. 
C)  70S ribosomes. 
D)  DNA. 
E)  two lipid bilayers.

Question 20

Which of the following processes requires a carrier protein?

Accepted Answer

A)  active transport only 
B)  both facilitated diffusion and active transport 
C)  facilitated diffusion only 
D)  endocytosis only 
E)  diffusion only 
A)  active transport only 
B)  both facilitated diffusion and active transport 
C)  facilitated diffusion only 
D)  endocytosis only 
E)  diffusion only

Exam 3: Cell Structure and Function

What is the function of the cellular structure indicated by "c" in Figure 3.2?

Which of the following is NOT a function of the eukaryotic cytoskeleton?

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

Which of the following is paired INCORRECTLY?

A bacterial cell moving toward light would be an example of

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

may have pili.

Which of the following statements concerning osmosis is FALSE?

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

A lipid found in prokaryotes but NOT in eukaryotes is

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

The accumulation of glucose 6- phosphate inside a bacterial cell via phosphorylation of glucose is an example of

The smooth endoplasmic reticulum is the site of (protein/lipid/carbohydrate) synthesis.

The cells illustrated in Figure 3- 1 are in a(n) environment.

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

Using a microscope, you observe an amoeba moving toward a food source. This is an example of

Which of the following chemical substances contributes to the unique characteristics of acid- fast bacteria?

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

Chloroplasts differ from mitochondria in that the former have

Which of the following processes requires a carrier protein?

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 Disease, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Immune Disorders

Pathogenic Gram-Positive Bacteria

Pathogenic Gram-Negative Cocci and Bacilli

Rickettsias, Chlamydias, Spirochetes, and Vibrios

Pathogenic Fungi

Parasitic Protozoa, Helminths, and Arthropod Vectors

Pathogenic Dna Viruses

Pathogenic Rna Viruses

Applied and Environmental Microbiology

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