Question 1

Endospores survive a variety of harsh conditions in part because of the presence of

Accepted Answer

A)  mycolic acid. 
B)  lipopolysaccharide. 
C)  hopanoids. 
D)  dipicolinic acid. 
E)  glycoproteins. 
A)  mycolic acid. 
B)  lipopolysaccharide. 
C)  hopanoids. 
D)  dipicolinic acid. 
E)  glycoproteins. D

Question 2

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 B

Question 3

Which of the following processes requires a channel 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 E

Question 4

Bacteria of the genus Mycoplasma lack cell walls. What sort of environment do they require for survival?

Accepted Answer

A)  low temperature 
B)  hypotonic 
C)  isotonic 
D)  hypertonic 
E)  a biofilm 
A)  low temperature 
B)  hypotonic 
C)  isotonic 
D)  hypertonic 
E)  a biofilm

Question 5

Which of the following statements concerning endocytosis is TRUE?

Accepted Answer

A)  This process occurs in both prokaryotes and eukaryotes. 
B)  Phagocytosis is a type of endocytosis in which liquids are brought into the cell. 
C)  Endocytosis produces a structure called a food vesicle. 
D)  Waste products and secretions are exported from the cell during endocytosis. 
E)  Endocytosis is a form of passive transport. 
A)  This process occurs in both prokaryotes and eukaryotes. 
B)  Phagocytosis is a type of endocytosis in which liquids are brought into the cell. 
C)  Endocytosis produces a structure called a food vesicle. 
D)  Waste products and secretions are exported from the cell during endocytosis. 
E)  Endocytosis is a form of passive transport.

Question 6

Archaea are similar to bacteria in having cytoplasmic membrane that are composed of phospholipids and hopanoids.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following chemical substances contributes to the unique characteristics of acid-fast bacteria?

Accepted Answer

A)  N-acetylglucosamine 
B)  peptidoglycan 
C)  lipoteichoic acid 
D)  endotoxin 
E)  mycolic acid 
A)  N-acetylglucosamine 
B)  peptidoglycan 
C)  lipoteichoic acid 
D)  endotoxin 
E)  mycolic acid

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

Fibrous structures with three "arms" some archaea use for attachment to surfaces are (fimbriae/hami/pili).

Accepted Answer

The answer of Fibrous structures with three "arms" some archaea...

Question 10

Chromatin is composed of DNA and special packaging proteins called hopanoids.

Accepted Answer

A) True 
 B)False

Question 11

The flagella of archaea are similar to bacterial flagella but differ in that they

Accepted Answer

A)  lack a basal body. 
B)  move like a whip. 
C)  are anchored in the cytoplasm. 
D)  are hollow. 
E)  are driven by ATP hydrolysis. 
A)  lack a basal body. 
B)  move like a whip. 
C)  are anchored in the cytoplasm. 
D)  are hollow. 
E)  are driven by ATP hydrolysis.

Question 12

Chloroplasts use light energy to produce ATP and carbohydrates.

Accepted Answer

A) True 
 B)False

Question 13

The processes illustrated in Figure 3.4 are driven by electrochemical gradients.

Accepted Answer

A) True 
 B)False

Question 14

The "run" in bacterial motility is the result of (clockwise/counterclockwise/whiplike) rotation of the flagella.

Accepted Answer

The answer of The "run" in bacterial motility is the...

Question 15

Some bacteria have an outer layer called a ________ which allows them to adhere to surfaces and contributes to their ability to cause disease.

Accepted Answer

A)  cell wall 
B)  LPS 
C)  capsule 
D)  flagellum 
E)  pilus 
A)  cell wall 
B)  LPS 
C)  capsule 
D)  flagellum 
E)  pilus

Question 16

Lysosomes result from the endocytosis of food particles by eukaryotic cells.

Accepted Answer

A) True 
 B)False

Question 17

________ may have pili.

Accepted Answer

A)  Eukaryotes 
B)  Archaea 
C)  Bacteria 
D)  Prokaryotes 
E)  Both eukaryotes and bacteria 
A)  Eukaryotes 
B)  Archaea 
C)  Bacteria 
D)  Prokaryotes 
E)  Both eukaryotes and bacteria

Question 18

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 19

The bacterial ________ maintains the DNA in a specific location and facilitates the process of bacterial cell division.

Accepted Answer

A)  nucleoid 
B)  inclusion 
C)  pilus 
D)  cytoskeleton 
E)  fimbriae 
A)  nucleoid 
B)  inclusion 
C)  pilus 
D)  cytoskeleton 
E)  fimbriae

Question 20

Which of the following organisms is a prokaryote?

Accepted Answer

A)  algae 
B)  archaea 
C)  fungus 
D)  protozoa 
E)  both archaea and protozoa 
A)  algae 
B)  archaea 
C)  fungus 
D)  protozoa 
E)  both archaea and protozoa

Exam 3: Cell Structure and Function

Endospores survive a variety of harsh conditions in part because of the presence of

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

Which of the following processes requires a channel protein?

Bacteria of the genus Mycoplasma lack cell walls. What sort of environment do they require for survival?

Which of the following statements concerning endocytosis is TRUE?

Archaea are similar to bacteria in having cytoplasmic membrane that are composed of phospholipids and hopanoids.

Which of the following chemical substances contributes to the unique characteristics of acid-fast bacteria?

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

Fibrous structures with three "arms" some archaea use for attachment to surfaces are (fimbriae/hami/pili).

Chromatin is composed of DNA and special packaging proteins called hopanoids.

The flagella of archaea are similar to bacterial flagella but differ in that they

Chloroplasts use light energy to produce ATP and carbohydrates.

The processes illustrated in Figure 3.4 are driven by electrochemical gradients.

The "run" in bacterial motility is the result of (clockwise/counterclockwise/whiplike) rotation of the flagella.

Some bacteria have an outer layer called a ________ which allows them to adhere to surfaces and contributes to their ability to cause disease.

Lysosomes result from the endocytosis of food particles by eukaryotic cells.

________ may have pili.

Which of the following is paired incorrectly?

The bacterial ________ maintains the DNA in a specific location and facilitates the process of bacterial cell division.

Which of the following organisms is a prokaryote?

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

Microbial Diseases of the Skin and Wounds

Microbial Diseases of the Nervous System and Eyes

Microbial Cardiovascular and Systemic Diseases

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Applied and Industrial Microbiology

Microbial Ecology and Microbiomes

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