Question 1

Compare and contrast methanogens and methane oxidizers,including their roles in the environment.

Accepted Answer

Methanogens are archaea (in the phylum E

Question 2

Unusual cellular extensions called prosthecae are associated with which of the following groups of proteobacteria?

Accepted Answer

A)  alphaproteobacteria 
B)  betaproteobacteria 
C)  gammaproteobacteria 
D)  deltaproteobacteria 
E)  epsilonproteobacteria 
A)  alphaproteobacteria 
B)  betaproteobacteria 
C)  gammaproteobacteria 
D)  deltaproteobacteria 
E)  epsilonproteobacteria

Question 3

The genus Mycobacterium includes species responsible for

Accepted Answer

A)  tuberculosis. 
B)  urinary tract infections. 
C)  food poisoning from contaminated dairy products. 
D)  gastric ulcers. 
E)  food poisoning from rice. 
A)  tuberculosis. 
B)  urinary tract infections. 
C)  food poisoning from contaminated dairy products. 
D)  gastric ulcers. 
E)  food poisoning from rice.

Question 4

Contamination with ________ is a concern because they are highly resistant to killing.

Accepted Answer

A)  archaea 
B)  endospores 
C)  pleomorphs 
D)  vegetative cells 
E)  vibrios 
A)  archaea 
B)  endospores 
C)  pleomorphs 
D)  vegetative cells 
E)  vibrios

Question 5

The arrangement represented in Figure 11.1 is typical of which of the following genera of bacteria?

Accepted Answer

A)  Bacillus 
B)  Corynebacterium 
C)  Escherichia 
D)  Actinomyces 
E)  Streptococcus 
A)  Bacillus 
B)  Corynebacterium 
C)  Escherichia 
D)  Actinomyces 
E)  Streptococcus

Question 6

The archaea known as halophiles

Accepted Answer

A)  require temperatures above 45∘C to survive. 
B)  require salt concentrations of 9% or greater to survive. 
C)  are members of the phylum Euryarchaeota. 
D)  are members of the Euryarchaeota and require temperatures above 45∘C. 
E)  are members of the Euryarchaeota and require salt concentrations above 9%. 
A)  require temperatures above 45∘C to survive. 
B)  require salt concentrations of 9% or greater to survive. 
C)  are members of the phylum Euryarchaeota. 
D)  are members of the Euryarchaeota and require temperatures above 45∘C. 
E)  are members of the Euryarchaeota and require salt concentrations above 9%.

Question 7

Some strains of Staphylococcus aureus can invade the body and cause diseases such as pneumonia and bacteremia.

Accepted Answer

A) True 
 B)False

Question 8

Some members of the alphaproteobacteria produce a structure called a (filament/prostheca/pilus)to produce extra surface area for nutrient absorption.

Accepted Answer

The answer of Some members of the alphaproteobacteria produce a...

Question 9

Which of the following diseases is NOT associated with bacteria that form endospores?

Accepted Answer

A)  tetanus 
B)  anthrax 
C)  gangrene 
D)  botulism 
E)  toxic shock syndrome 
A)  tetanus 
B)  anthrax 
C)  gangrene 
D)  botulism 
E)  toxic shock syndrome

Question 10

Various species of Streptomyces are important sources of antibiotics.

Accepted Answer

A) True 
 B)False

Question 11

Mycoplasmas are named for the large quantities of mycolic acid in their cell walls.

Accepted Answer

A) True 
 B)False

Question 12

Bacteria of the Proteobacteria that are intracellular parasites are members of the

Accepted Answer

A)  alphaproteobacteria. 
B)  betaproteobacteria. 
C)  gammaproteobacteria 
D)  alphaproteobacteria and betaproteobactria. 
E)  alphaproteobacteria and gammaproteobacteria. 
A)  alphaproteobacteria. 
B)  betaproteobacteria. 
C)  gammaproteobacteria 
D)  alphaproteobacteria and betaproteobactria. 
E)  alphaproteobacteria and gammaproteobacteria.

Question 13

A flexible,spiral-shaped bacterium is called a

Accepted Answer

A)  spirochete. 
B)  vibrio. 
C)  coccobacillus. 
D)  spirillum. 
E)  sarcina. 
A)  spirochete. 
B)  vibrio. 
C)  coccobacillus. 
D)  spirillum. 
E)  sarcina.

Question 14

Bergey's Manual of Systematic Bacteriology contains

Accepted Answer

A)  classification schemes for prokaryotes. 
B)  treatments for bacterial diseases. 
C)  recipes for bacterial growth media. 
D)  genetic sequences of prokaryotes. 
E)  rules for naming new bacterial species. 
A)  classification schemes for prokaryotes. 
B)  treatments for bacterial diseases. 
C)  recipes for bacterial growth media. 
D)  genetic sequences of prokaryotes. 
E)  rules for naming new bacterial species.

Question 15

The (bacilli/Lactobacilli/bacteroids)are a group of Gram-negative bacteria that include obligate anaerobes normally found in the intestinal tracts of animals and humans.

Accepted Answer

The answer of The (bacilli/Lactobacilli/bacteroids)are a group of Gram-negative bacteria...

Question 16

A species of the genus Streptococcus is the leading cause of

Accepted Answer

A)  tuberculosis. 
B)  urinary tract infections. 
C)  contaminated milk and meat. 
D)  "flesh-eating" bacterial infections. 
E)  food poisoning from rice. 
A)  tuberculosis. 
B)  urinary tract infections. 
C)  contaminated milk and meat. 
D)  "flesh-eating" bacterial infections. 
E)  food poisoning from rice.

Question 17

Members of the ________ are Gram-positive bacteria that have a distinctive process for cell separation known as "snapping division."

Accepted Answer

A)  Actinomycetes 
B)  Clostridium 
C)  Corynebacterium 
D)  Mycoplasma 
E)  Rhizobium 
A)  Actinomycetes 
B)  Clostridium 
C)  Corynebacterium 
D)  Mycoplasma 
E)  Rhizobium

Question 18

Bacteria which move by means of gliding motility include

Accepted Answer

A)  Cyanobacteria. 
B)  Cytophaga. 
C)  Clostridium. 
D)  Spirillum. 
E)  both Cyanobacteria and Cytophaga. 
A)  Cyanobacteria. 
B)  Cytophaga. 
C)  Clostridium. 
D)  Spirillum. 
E)  both Cyanobacteria and Cytophaga.

Question 19

A Gram-positive psychrotrophic rod ________ is a frequent contaminant of dairy products and meat and an opportunistic pathogen of the immunocompromised.

Accepted Answer

A)  Escherichia coli 
B)  Helicobacter pylori 
C)  Clostridium perfringens 
D)  Bacillus thuringiensis 
E)  Listeria monocytogenes 
A)  Escherichia coli 
B)  Helicobacter pylori 
C)  Clostridium perfringens 
D)  Bacillus thuringiensis 
E)  Listeria monocytogenes

Question 20

Which of the following is NOT associated with bacteria in the genus Streptomyces?

Accepted Answer

A)  the "musty" smell of soil 
B)  nutrient recycling in soil 
C)  antibiotic production 
D)  microbial antagonism 
E)  protection of plants against caterpillars 
A)  the "musty" smell of soil 
B)  nutrient recycling in soil 
C)  antibiotic production 
D)  microbial antagonism 
E)  protection of plants against caterpillars

Exam 11: Characterizing and Classifying Prokaryotes

Compare and contrast methanogens and methane oxidizers,including their roles in the environment.

Unusual cellular extensions called prosthecae are associated with which of the following groups of proteobacteria?

The genus Mycobacterium includes species responsible for

Contamination with ________ is a concern because they are highly resistant to killing.

The arrangement represented in Figure 11.1 is typical of which of the following genera of bacteria?

The archaea known as halophiles

Some strains of Staphylococcus aureus can invade the body and cause diseases such as pneumonia and bacteremia.

Some members of the alphaproteobacteria produce a structure called a (filament/prostheca/pilus)to produce extra surface area for nutrient absorption.

Which of the following diseases is NOT associated with bacteria that form endospores?

Various species of Streptomyces are important sources of antibiotics.

Mycoplasmas are named for the large quantities of mycolic acid in their cell walls.

Bacteria of the Proteobacteria that are intracellular parasites are members of the

A flexible,spiral-shaped bacterium is called a

Bergey's Manual of Systematic Bacteriology contains

The (bacilli/Lactobacilli/bacteroids)are a group of Gram-negative bacteria that include obligate anaerobes normally found in the intestinal tracts of animals and humans.

A species of the genus Streptococcus is the leading cause of

Members of the ________ are Gram-positive bacteria that have a distinctive process for cell separation known as "snapping division."

Bacteria which move by means of gliding motility include

A Gram-positive psychrotrophic rod ________ is a frequent contaminant of dairy products and meat and an opportunistic pathogen of the immunocompromised.

Which of the following is NOT associated with bacteria in the genus Streptomyces?

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

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 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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