Question 1

Figure 4.2
 
-Which of the following terms best describes the cell in Figure 4.2?

Accepted Answer

A)   lophotrichous flagella
B)   monotrichous flagella
C)   axial filament
D)   amphitrichous flagella
E)   peritrichous flagellaF) A) and D)
G) A) and C)

Question 2

By which of the following mechanisms can a cell transport a substance from a lower to a higher concentration?

Accepted Answer

A)   aquaporins
B)   extracellular enzymes
C)   facilitated diffusion
D)   active transport
E)   simple diffusionF) C) and D)
G) B) and C)

Question 3

The number of organelles such as chloroplasts, mitochondria, and rough endoplasmic reticulum is the same in all eukaryotic cells.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following statements best describes what happens when a bacterial cell is placed in a solution containing 5 percent NaCl?

Accepted Answer

A)   Water will move out of the cell.
B)   Water will move into the cell.
C)   Sucrose will move into the cell from a higher to a lower concentration.
D)   The cell will undergo osmotic lysis.
E)   No change will result; the solution is isotonic.F) B) and C)
G) C) and D)

Question 5

Which of the following organelles most closely resembles a prokaryotic cell?

Accepted Answer

A)   mitochondrion
B)   cell wall
C)   Golgi complex
D)   vacuole
E)   nucleusF) None of the above
G) A) and E)

Question 6

Antibiotics that target cell wall synthesis ultimately cause bacterial cell death as a result of

Accepted Answer

A)   decreased synthesis of peptidoglycan.
B)   plasmolysis.
C)   osmotic lysis.
D)   cell shrinkage.
E)   inhibition of molecular transport.F) A) and D)
G) B) and D)

Question 7

Antibiotics that target the cell wall are an effective treatment against many pathogenic bacteria.

Accepted Answer

A) True 
 B)False  True

Question 8

Figure 4.1
 
-Which drawing in Figure 4.1 is streptococci?

Accepted Answer

A)   a
B)   b
C)   c
D)   d
E)   eF) B) and E)
G) A) and E)

Question 9

Figure 4.1
 
-Which drawing in Figure 4.1 is a tetrad?

Accepted Answer

A)   a
B)   b
C)   c
D)   d
E)   eF) C) and D)
G) A) and B) B

Question 10

The DNA found in most bacterial cells

Accepted Answer

A)   is linear in structure.
B)   is circular in structure.
C)   is surrounded by a nuclear membrane.
D)   is found in multiple copies.
E)   utilizes histones for chromosomal packaging.F) A) and D)
G) B) and D)

Question 11

Fimbriae and pili differ in that

Accepted Answer

A)   there are only one or two pili per cell.
B)   pili are used for motility.
C)   pili are used to transfer DNA.
D)   pili are used for transfer of DNA and motility.
E)   pili are used for attachment to surfaces.F) A) and B)
G) B) and C)

Question 12

Many enzymes in both prokaryotic and eukaryotic cells are compartmentalized within organelles.

Accepted Answer

A) True 
 B)False  False

Question 13

Small, hydrophobic molecules pass through a cell membrane most easily by diffusion.

Accepted Answer

A) True 
 B)False

Question 14

Where are phospholipids most likely found in a prokaryotic cell?

Accepted Answer

A)   flagella
B)   around organelles
C)   the plasma membrane
D)   ribosomes
E)   the plasma membrane and around organellesF) B) and D)
G) A) and C)

Question 15

If you observe rod- shaped red cells after the Gram stain, you can assume their cell walls contain endotoxin.

Accepted Answer

A) True 
 B)False

Question 16

Endospores are a reproductive structure.

Accepted Answer

A) True 
 B)False

Question 17

Figure 4.1
 
-Which drawing in Figure 4.1 possesses an axial filament?

Accepted Answer

A)   a
B)   b
C)   c
D)   d
E)   eF) B) and C)
G) B) and E)

Question 18

Which of the following structures is NOT found in some prokaryotic cells?

Accepted Answer

A)   axial filament
B)   peritrichous flagella
C)   flagellum
D)   pilus
E)   ciliumF) A) and B)
G) B) and C)

Question 19

Figure 4.3
 
-In Figure 4.3, which diagram of a cell wall has a structure that protects against osmotic lysis?

Accepted Answer

A)   a
B)   b
C)   both a and b
D)   neither a nor b
E)   The answer cannot be determined based on the information provided.F) B) and D)
G) A) and E)

Question 20

Which of the following statements about gram- negative cell walls is FALSE?

Accepted Answer

A)   Their Gram reaction is due to the outer membrane.
B)   They are sensitive to penicillin.
C)   They are toxic to humans.
D)   They have an extra outer layer composed of lipoproteins, lipopolysaccharides, and phospholipids.
E)   They protect the cell in a hypotonic environment.F) B) and D)
G) C) and D)

Exam 4: Functional Anatomy of Prokaryotic and Eukaryotic Cells

Figure 4.2 -Which of the following terms best describes the cell in Figure 4.2?

Correct AnswerverifiedShow Answer

By which of the following mechanisms can a cell transport a substance from a lower to a higher concentration?

Correct AnswerverifiedShow Answer

The number of organelles such as chloroplasts, mitochondria, and rough endoplasmic reticulum is the same in all eukaryotic cells.

Correct AnswerverifiedShow Answer

Which of the following statements best describes what happens when a bacterial cell is placed in a solution containing 5 percent NaCl?

Correct AnswerverifiedShow Answer

Which of the following organelles most closely resembles a prokaryotic cell?

Correct AnswerverifiedShow Answer

Antibiotics that target cell wall synthesis ultimately cause bacterial cell death as a result of

Correct AnswerverifiedShow Answer

Antibiotics that target the cell wall are an effective treatment against many pathogenic bacteria.

Correct AnswerverifiedTrue

Figure 4.1 -Which drawing in Figure 4.1 is streptococci?

Correct AnswerverifiedShow Answer

Figure 4.1 -Which drawing in Figure 4.1 is a tetrad?

Correct AnswerverifiedB

The DNA found in most bacterial cells

Correct AnswerverifiedShow Answer

Fimbriae and pili differ in that

Correct AnswerverifiedShow Answer

Many enzymes in both prokaryotic and eukaryotic cells are compartmentalized within organelles.

Correct AnswerverifiedFalse

Small, hydrophobic molecules pass through a cell membrane most easily by diffusion.

Correct AnswerverifiedShow Answer

Where are phospholipids most likely found in a prokaryotic cell?

Correct AnswerverifiedShow Answer

If you observe rod- shaped red cells after the Gram stain, you can assume their cell walls contain endotoxin.

Correct AnswerverifiedShow Answer

Endospores are a reproductive structure.

Correct AnswerverifiedShow Answer

Figure 4.1 -Which drawing in Figure 4.1 possesses an axial filament?

Correct AnswerverifiedShow Answer

Which of the following structures is NOT found in some prokaryotic cells?

Correct AnswerverifiedShow Answer

Figure 4.3 -In Figure 4.3, which diagram of a cell wall has a structure that protects against osmotic lysis?

Correct AnswerverifiedShow Answer

Which of the following statements about gram- negative cell walls is FALSE?

Correct AnswerverifiedShow Answer

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False

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