Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

What types of molecules may NOT need transport proteins to be able to cross cytoplasmic membranes?

Accepted Answer

A)   large molecules
B)   ions
C)   small hydrophobic molecules
D)   small hydrophilic molecules
E)   nothing crosses cytoplasmic membranes without transport proteinsF) B) and D)
G) B) and C)

Question 3

The cytoplasmic membranes of ________ may contain branched hydrocarbons.

Accepted Answer

A)   archaeal cells
B)   bacterial cells
C)   eukaryotic cells
D)   both bacterial and eukaryotic cells
E)   archaeal, bacterial, and eukaryotic cellsF) A) and D)
G) A) and C)

Question 4

The endosymbiotic theory does NOT provide an explanation for

Accepted Answer

A)   the two membranes of the nuclear envelope.
B)   the presence of ribosomes in mitochondria.
C)   the presence of DNA in chloroplasts.
D)   the cristae in mitochondria.
E)   the double membrane of chloroplasts.F) A) and B)
G) C) and E)

Question 5

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

Accepted Answer

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

Question 6

Fragments of (LPS/NAM/NAG) released from Gram-negative bacteria into the bloodstream produce fever and shock.

Accepted Answer

The answer of Fragments of (LPS/NAM/NAG) released from Gram-negative bacteria...

Question 7

Which of the following contribute to the ability of archaea to survive in extreme environments?

Accepted Answer

A)   branched hydrocarbons with ether linkages
B)   phospholipids with monounsaturated fatty acids
C)   hopanoids
D)   glycerols
E)   both hopanoids and glycerolsF) B) and C)
G) B) and E)

Question 8

Eukaryotic ribosomes are composed of 50S and 30S subunits.

Accepted Answer

A) True 
 B)False

Question 9

What is the function of the cellular structure indicated by "m" in Figure 3.3?

Accepted Answer

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

Question 10

The presence of a cell (wall/membrane) enables bacterial and plant cells to resist the effects of hypotonic solutions.

Accepted Answer

The answer of The presence of a cell (wall/membrane) enables...

Question 11

Cholesterols are typically found in ________ cytoplasmic membranes.

Accepted Answer

A)   eukaryotic
B)   bacterial
C)   archaeal
D)   prokaryotic
E)   both eukaryotic and prokaryoticF) B) and E)
G) A) and D)

Question 12

The short structures on the surface of the cell in Figure 3.5 are pili.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

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

Question 14

The process illustrated in Figure 3.6 occurs in (eukaryotic/bacterial/archaeal) cells.

Accepted Answer

The answer of  
The process illustrated in Figure 3.6...

Question 15

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 16

Describe how the structure of the bacterial cytoplasmic membrane relates to its function of selective permeability.

Accepted Answer

The structure and function of the cytopl...

Question 17

The cell walls of some ________ are composed of minerals such as calcium carbonate.

Accepted Answer

A)   archaea
B)   bacteria
C)   algae
D)   fungi
E)   bacteria and fungiF) All of the above
G) C) and D)

Question 18

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

Accepted Answer

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

Question 19

Membrane rafts are found in the cytoplasmic membranes of

Accepted Answer

A)   archaea only.
B)   bacteria only.
C)   eukaryotes only.
D)   both archaea and bacteria.
E)   both archaea and eukaryotes.F) B) and D)
G) A) and B)

Question 20

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

Accepted Answer

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

Exam 3: Cell Structure and Function

Fragments of (LPS/NAM/NAG) released from Gram-negative bacteria into the bloodstream produce fever and shock.

Correct AnswerverifiedShow Answer

The process illustrated in Figure 3.6 occurs in (eukaryotic/bacterial/archaeal) cells.

Correct AnswerverifiedShow Answer

Eukaryotic ribosomes are composed of 50S and 30S subunits.

Correct AnswerverifiedShow Answer

The cytoplasmic membranes of ________ may contain branched hydrocarbons.

Correct AnswerverifiedShow Answer

The cell walls of some ________ are composed of minerals such as calcium carbonate.

Correct AnswerverifiedShow Answer

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

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

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The short structures on the surface of the cell in Figure 3.5 are pili.

Correct AnswerverifiedShow Answer

Describe how the structure of the bacterial cytoplasmic membrane relates to its function of selective permeability.

Correct AnswerverifiedThe structure and function of the cytopl...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

What types of molecules may NOT need transport proteins to be able to cross cytoplasmic membranes?

Correct AnswerverifiedShow Answer

Cholesterols are typically found in ________ cytoplasmic membranes.

Correct AnswerverifiedShow Answer

Which of the following contribute to the ability of archaea to survive in extreme environments?

Correct AnswerverifiedShow Answer

Membrane rafts are found in the cytoplasmic membranes of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The presence of a cell (wall/membrane) enables bacterial and plant cells to resist the effects of hypotonic solutions.

Correct AnswerverifiedShow Answer

What is the function of the cellular structure indicated by "m" in Figure 3.3?

Correct AnswerverifiedShow Answer

The endosymbiotic theory does NOT provide an explanation for

Correct AnswerverifiedShow Answer

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Bacterial cell walls are composed of pep...
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The structure and function of the cytopl...
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