Question 1

A higher concentration of solutes corresponds to a (higher/lower) concentration of water in a given solution.

Accepted Answer

The answer of A higher concentration of solutes corresponds to...

Question 2

Bacterial ________ are sites of metabolite storage.

Accepted Answer

A)  nucleoids 
B)  vacuoles 
C)  inclusions 
D)  pili 
E)  periplasm 
A)  nucleoids 
B)  vacuoles 
C)  inclusions 
D)  pili 
E)  periplasm

Question 3

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

Accepted Answer

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

Question 4

ATP is expended in which of the following processes?

Accepted Answer

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

Question 5

Both mitochondria and chloroplasts have inner membranes with much greater surface area than their outer membranes. Discuss the contribution of the extensive inner membranes to the roles of these organelles.

Accepted Answer

Both organelles use metabolic processes

Question 6

Some bacteria have a water-soluble outer slime layer composed of

Accepted Answer

A)  carbohydrate. 
B)  lipid. 
C)  peptidoglycan. 
D)  protein. 
E)  lipoteichoic acid. 
A)  carbohydrate. 
B)  lipid. 
C)  peptidoglycan. 
D)  protein. 
E)  lipoteichoic acid.

Question 7

Which of the following is a nonmembranous organelle found only in eukaryotic cells?

Accepted Answer

A)  cytoskeleton 
B)  flagellum 
C)  ribosome 
D)  centriole 
E)  pilus 
A)  cytoskeleton 
B)  flagellum 
C)  ribosome 
D)  centriole 
E)  pilus

Question 8

The semiliquid matrix of the nucleus is called the (cytoplasm/nucleoid/nucleoplasm).

Accepted Answer

The answer of The semiliquid matrix of the nucleus is...

Question 9

Compare and contrast the characteristics of prokaryotic and eukaryotic cells.

Accepted Answer

Prokaryotic cells have a nucleoid, a reg

Question 10

A structural molecule found in eukaryotic cytoskeletons, flagella, cilia, and centrioles is (flagellin/tubulin/fibrin).

Accepted Answer

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

Question 11

Eukaryotic cells use a process known as (pinocytosis/phagocytosis/exocytosis) to obtain liquids from their environment.

Accepted Answer

The answer of Eukaryotic cells use a process known as...

Question 12

The presence of a glycocalyx contributes to bacteria's ability to cause disease.

Accepted Answer

A) True 
 B)False

Question 13

A(n) (symport/antiport/uniport) is a carrier protein that transports two substances in the same direction across a membrane.

Accepted Answer

The answer of A(n) (symport/antiport/uniport) is a carrier protein that...

Question 14

Which of the following statements concerning conjugation pili is FALSE?

Accepted Answer

A)  Pili are longer than fimbriae and flagella. 
B)  Pili facilitate the transfer of DNA among bacterial cells. 
C)  Pili are long, hollow tubules. 
D)  Not all bacteria have pili. 
E)  A bacterial cell will usually have only one or two pili. 
A)  Pili are longer than fimbriae and flagella. 
B)  Pili facilitate the transfer of DNA among bacterial cells. 
C)  Pili are long, hollow tubules. 
D)  Not all bacteria have pili. 
E)  A bacterial cell will usually have only one or two pili.

Question 15

A (capsule/slime layer/matrix) is a type of glycocalyx that is firmly attached to the cell.

Accepted Answer

The answer of A (capsule/slime layer/matrix) is a type of...

Question 16

Which of the following is NOT a characteristic of all living things?

Accepted Answer

A)  metabolism 
B)  motility 
C)  growth 
D)  reproduction 
E)  responsiveness 
A)  metabolism 
B)  motility 
C)  growth 
D)  reproduction 
E)  responsiveness

Question 17

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 18

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, an idea termed 'selective toxicity'. 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 all

Question 19

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

Accepted Answer

A)  provide shape only 
B)  attach to surfaces only 
C)  protect from dehydration only 
D)  attach to surfaces and protect from dehydration 
E)  serve as carbohydrate storage 
A)  provide shape only 
B)  attach to surfaces only 
C)  protect from dehydration only 
D)  attach to surfaces and protect from dehydration 
E)  serve as carbohydrate storage

Question 20

Which of the following may be a component of bacterial cell walls?

Accepted Answer

A)  carrageenan 
B)  lipoteichoic acids 
C)  mycolic acid 
D)  tubulin 
E)  both lipoteichoic and mycolic acids 
A)  carrageenan 
B)  lipoteichoic acids 
C)  mycolic acid 
D)  tubulin 
E)  both lipoteichoic and mycolic acids

Exam 3: Cell Structure and Function

A higher concentration of solutes corresponds to a (higher/lower) concentration of water in a given solution.

Bacterial ________ are sites of metabolite storage.

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

ATP is expended in which of the following processes?

Both mitochondria and chloroplasts have inner membranes with much greater surface area than their outer membranes. Discuss the contribution of the extensive inner membranes to the roles of these organelles.

Some bacteria have a water-soluble outer slime layer composed of

Which of the following is a nonmembranous organelle found only in eukaryotic cells?

The semiliquid matrix of the nucleus is called the (cytoplasm/nucleoid/nucleoplasm).

Compare and contrast the characteristics of prokaryotic and eukaryotic cells.

A structural molecule found in eukaryotic cytoskeletons, flagella, cilia, and centrioles is (flagellin/tubulin/fibrin).

Eukaryotic cells use a process known as (pinocytosis/phagocytosis/exocytosis) to obtain liquids from their environment.

The presence of a glycocalyx contributes to bacteria's ability to cause disease.

A(n) (symport/antiport/uniport) is a carrier protein that transports two substances in the same direction across a membrane.

Which of the following statements concerning conjugation pili is FALSE?

A (capsule/slime layer/matrix) is a type of glycocalyx that is firmly attached to the cell.

Which of the following is NOT a characteristic of all living things?

Bacterial cell walls that are resistant to drying contain

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

Which of the following may be a component of bacterial cell walls?

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

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 Industrial Microbiology

Microbial Ecology and Microbiomes

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