Question 1

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 2

Compare and contrast the characteristics of prokaryotic and eukaryotic cells.

Accepted Answer

Prokaryotic cells have a nucleoid,a regi

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

Question 4

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 storage 
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 storage

Question 5

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

Question 6

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

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

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 9

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 transport 
A)  diffusion only 
B)  facilitated diffusion only 
C)  active transport only 
D)  endocytosis only 
E)  both facilitated diffusion and active transport

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)  responsiveness 
A)  metabolism 
B)  motility 
C)  growth 
D)  reproduction 
E)  responsiveness

Question 11

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. 
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.

Question 12

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. 
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.

Question 13

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 14

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

Question 15

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 acids 
A)  carrageenan 
B)  lipoteichoic acids 
C)  mycolic acid 
D)  tubulin 
E)  both lipoteichoic and mycolic acids

Question 16

Cytoplasmic membranes of ________ are composed of unbranched phospholipids.

Accepted Answer

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

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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

Question 20

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...

Exam 3: Cell Structure and Function

Which of the following have a periplasmic space?

Compare and contrast the characteristics of prokaryotic and eukaryotic cells.

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

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

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

Membrane rafts are found in the cytoplasmic membranes of

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

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

Which of the following processes requires a carrier protein?

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

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

Which of the following statements concerning conjugation pili is FALSE?

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

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

Cytoplasmic membranes of ________ are composed of unbranched phospholipids.

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

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

Which of the following is paired incorrectly?

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

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 Diseases, 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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