Question 1

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 2

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

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is part of the structure of the mitochondria of a eukaryotic cell?

Accepted Answer

A)   cilia
B)   cristae
C)   thylakoids
D)   inclusions
E)   nucleolusF) A) and B)
G) C) and D)

Question 4

Cytoplasmic membranes of ________ are composed of unbranched phospholipids.

Accepted Answer

A)   bacteria
B)   eukaryotes
C)   archaea
D)   prokaryotes
E)   bacteria and eukaryotesF) A) and D)
G) All of the above

Question 5

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 storageF) A) and E)
G) None of the above

Question 6

Which of the following processes requires a carrier protein?

Accepted Answer

A)   diffusion only
B)   facilitated diffusion only
C)   active transport only
D)   endocytosis only
E)   both facilitated diffusion and active transportF) A) and D)
G) All of the above

Question 7

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) None of the above
G) C) and D)

Question 8

Bacterial protein synthesis can begin before the reading of the gene is complete.

Accepted Answer

A) True 
 B)False

Question 9

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 10

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

Accepted Answer

A)   metabolism
B)   motility
C)   growth
D)   reproduction
E)   responsivenessF) B) and D)
G) C) and E)

Question 11

Compare and contrast the characteristics of prokaryotic and eukaryotic cells.

Accepted Answer

Prokaryotic cells have a nucleoid,a regi...

Question 12

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 13

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.F) B) and C)
G) B) and E)

Question 14

Which of the following is paired incorrectly?

Accepted Answer

A)   plants; cellulose cell wall
B)   algae; glycocalyx
C)   bacteria; peptidoglycan cell wall
D)   fungi; polysaccharide cell wall
E)   archaea; protein cell wallF) A) and C)
G) B) and C)

Question 15

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) C) and E)
G) B) 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

Which of the following statements about the endoplasmic reticulum (ER) is CORRECT?

Accepted Answer

A)   The rough ER is the site of lipid synthesis.
B)   The smooth ER has ribosomes associated with it.
C)   The ER is a lipid storage organelle..
D)   The ER is a transport system within the cytoplasm.
E)   The smooth ER is a site of ATP synthesis.F) A) and B)
G) All of the above

Question 18

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 acidsF) A) and D)
G) C) and E)

Question 19

Which of the following may have cell walls containing teichoic acids?

Accepted Answer

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

Question 20

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) A) and B)
G) A) and C)

Exam 3: Cell Structure and Function

Compare and contrast the characteristics of prokaryotic and eukaryotic cells.

Correct Answer
verified
Prokaryotic cells have a nucleoid,a regi...
View Answer

Cytoplasmic membranes of ________ are composed of unbranched phospholipids.

Correct Answer
verified

Which of the following processes requires a carrier protein?

Correct Answer
verified

Which of the following statements concerning conjugation pili is FALSE?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Which of the following statements about the endoplasmic reticulum (ER) is CORRECT?

Correct Answer
verified

Correct Answer
verified
1.Cell wall: The cell wall of almost all...
View Answer

Which of the following is paired incorrectly?

Correct Answer
verified

Which of the following is part of the structure of the mitochondria of a eukaryotic cell?

Correct Answer
verified

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

Correct Answer
verified

Which of the following may have cell walls containing teichoic acids?

Correct Answer
verified

Which of the following have a periplasmic space?

Correct Answer
verified

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

Correct Answer
verified

Membrane rafts are found in the cytoplasmic membranes of

Correct Answer
verified

Bacterial protein synthesis can begin before the reading of the gene is complete.

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Exam 3: Cell Structure and Function

Compare and contrast the characteristics of prokaryotic and eukaryotic cells.

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

Cytoplasmic membranes of ________ are composed of unbranched phospholipids.

Correct AnswerverifiedShow Answer

Which of the following processes requires a carrier protein?

Correct AnswerverifiedShow Answer

Which of the following statements concerning conjugation pili is FALSE?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following statements about the endoplasmic reticulum (ER) is CORRECT?

Correct AnswerverifiedShow Answer

Correct Answerverified1.Cell wall: The cell wall of almost all...View AnswerShow Answer

Which of the following is paired incorrectly?

Correct AnswerverifiedShow Answer

Which of the following is part of the structure of the mitochondria of a eukaryotic cell?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following may have cell walls containing teichoic acids?

Correct AnswerverifiedShow Answer

Which of the following have a periplasmic space?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Membrane rafts are found in the cytoplasmic membranes of

Correct AnswerverifiedShow Answer

Bacterial protein synthesis can begin before the reading of the gene is complete.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified
Prokaryotic cells have a nucleoid,a regi...
View Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified
1.Cell wall: The cell wall of almost all...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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