Question 1

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.F) A) and B)
G) B) and D)

Question 2

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 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 prokaryotesF) A) and B)
G) C) and D)

Question 4

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 5

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 6

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.F) B) and D)
G) A) and E)

Question 7

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.F) A) and B)
G) A) and E)

Question 8

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)   centrioleF) B) and E)
G) A) and D)

Question 9

The cell walls of some are composed of proteins.

Accepted Answer

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

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 NOT a component of bacterial flagella?

Accepted Answer

A)   hook
B)   filament
C)   tubulin
D)   basal body
E)   flagellinF) A) and D)
G) A) and C)

Question 12

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)   eukaryotesF) A) and D)
G) A) and C)

Question 13

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

Accepted Answer

A)   nucleolus
B)   chromatin
C)   cristae
D)   inclusions
E)   thylakoidsF) A) and B)
G) D) and E)

Question 14

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 15

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.F) A) and B)
G) A) and C)

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

Compare and contrast the characteristics of prokaryotic and eukaryotic cells.

Accepted Answer

Prokaryotic cells have a nucleoid, a reg...

Question 18

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 19

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 20

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 lipidsF) A) and E)
G) B) and E)

Exam 3: Cell Structure and Function

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedBoth organelles use metabolic processes ...View AnswerShow Answer

Which of the following prokaryotic cells contain an outer membrane?

Correct AnswerverifiedShow Answer

Which of the following have a periplasmic space?

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Which of the following statements concerning pili is FALSE?

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The cell walls of some are composed of proteins.

Correct AnswerverifiedShow Answer

Compare and contrast the characteristics of prokaryotic and eukaryotic cells.

Correct AnswerverifiedProkaryotic cells have a nucleoid, a reg...View AnswerShow Answer

Endocytosis and exocytosis are means of transport used by

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedBacterial cell walls are composed of pep...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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Both organelles use metabolic processes ...
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Prokaryotic cells have a nucleoid, a reg...
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Bacterial cell walls are composed of pep...
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