Question 1

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

Accepted Answer

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

Question 2

Which of the following statements concerning pili is FALSE?

Accepted Answer

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

Question 3

Which of the following prokaryotic cells contain an outer membrane?

Accepted Answer

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

Question 4

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

Accepted Answer

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

Question 5

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

Accepted Answer

A)  mitochondrion 
B)  peroxisome 
C)  Golgi body 
D)  endoplasmic reticulum 
E)  centriole 
A)  mitochondrion 
B)  peroxisome 
C)  Golgi body 
D)  endoplasmic reticulum 
E)  centriole

Question 6

Fibrous structures some archaea use for attachment to surfaces are (hami/fimbriae/fimbriae).

Accepted Answer

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

Question 7

The reserve deposits of starch or other compounds found in many prokaryotic cells are called (vacuoles/inclusions/nucleoid).

Accepted Answer

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

Question 8

Peroxisomes contain enzymes used to digest nutrients that have been brought into the cell through phagocytosis.

Accepted Answer

A) True 
 B)False

Question 9

The cell walls of some are composed of proteins.

Accepted Answer

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

Question 10

All cell membranes contain phospholipids and a wide variety of proteins.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is associated with the mitochondria of a eukaryotic cell?

Accepted Answer

A)  nucleolus 
B)  chromatin 
C)  cristae 
D)  inclusions 
E)  thylakoids 
A)  nucleolus 
B)  chromatin 
C)  cristae 
D)  inclusions 
E)  thylakoids

Question 12

Which of the following statements concerning the characteristics of life is FALSE?

Accepted Answer

A)  Reproduction is defined as an increase in the size of an organism. 
B)  Organisms may not exhibit all of the characteristics of life at all times. 
C)  Viruses have some, but not all, of the characteristics of living things. 
D)  Living things store metabolic energy in the form of chemicals such as ATP. 
E)  Reproduction can occur asexually or sexually in living things. 
A)  Reproduction is defined as an increase in the size of an organism. 
B)  Organisms may not exhibit all of the characteristics of life at all times. 
C)  Viruses have some, but not all, of the characteristics of living things. 
D)  Living things store metabolic energy in the form of chemicals such as ATP. 
E)  Reproduction can occur asexually or sexually in living things.

Question 13

Eukaryotic flagella are anchored by the basal body in the (cytoplasm/wall/membrane).

Accepted Answer

The answer of Eukaryotic flagella are anchored by the basal...

Question 14

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

Accepted Answer

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

Question 15

Endocytosis and exocytosis are means of transport used by

Accepted Answer

A)  eukaryotes. 
B)  archaea. 
C)  bacteria. 
D)  all prokaryotes. 
E)  nothing; no cells use both processes. 
A)  eukaryotes. 
B)  archaea. 
C)  bacteria. 
D)  all prokaryotes. 
E)  nothing; no cells use both processes.

Question 16

Compare and contrast the characteristics of prokaryotic and eukaryotic cells.

Accepted Answer

Prokaryotic cells have a nucleoid, a reg

Question 17

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 18

Which of the following have a periplasmic space?

Accepted Answer

A)  Gram- negative bacteria only 
B)  Gram- positive bacteria only 
C)  both Gram- positive and Gram- negative bacteria 
D)  archaea 
E)  eukaryotes 
A)  Gram- negative bacteria only 
B)  Gram- positive bacteria only 
C)  both Gram- positive and Gram- negative bacteria 
D)  archaea 
E)  eukaryotes

Question 19

What is the function of the cellular structure indicated by "p" in Figure 3- 3?

Accepted Answer

A)  cell movement 
B)  packaging of materials for export 
C)  ATP synthesis 
D)  protein synthesis 
E)  synthesis of lipids 
A)  cell movement 
B)  packaging of materials for export 
C)  ATP synthesis 
D)  protein synthesis 
E)  synthesis of lipids

Question 20

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

Exam 3: Cell Structure and Function

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

Which of the following statements concerning pili is FALSE?

Which of the following prokaryotic cells contain an outer membrane?

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

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

Fibrous structures some archaea use for attachment to surfaces are (hami/fimbriae/fimbriae).

The reserve deposits of starch or other compounds found in many prokaryotic cells are called (vacuoles/inclusions/nucleoid).

Peroxisomes contain enzymes used to digest nutrients that have been brought into the cell through phagocytosis.

The cell walls of some are composed of proteins.

All cell membranes contain phospholipids and a wide variety of proteins.

Which of the following is associated with the mitochondria of a eukaryotic cell?

Which of the following statements concerning the characteristics of life is FALSE?

Eukaryotic flagella are anchored by the basal body in the (cytoplasm/wall/membrane).

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

Endocytosis and exocytosis are means of transport used by

Compare and contrast the characteristics of prokaryotic and eukaryotic cells.

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.

Which of the following have a periplasmic space?

What is the function of the cellular structure indicated by "p" in Figure 3- 3?

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

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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