Question 1

The Gram-positive obligate anaerobe causes a severe diarrhea.

Accepted Answer

A)  Clostridium botulinum 
B)  Clostridium perfringens 
C)  Bacillus anthracis 
D)  Clostridium difficile 
E)  Selenomonas 
A)  Clostridium botulinum 
B)  Clostridium perfringens 
C)  Bacillus anthracis 
D)  Clostridium difficile 
E)  Selenomonas

Question 2

The Gram-negative diplococci are pathogenic members of the betaproteobacteria that infect mammalian mucous membranes.

Accepted Answer

A)  Streptococcus 
B)  Neisseria 
C)  Coxiella 
D)  Listeria 
E)  Haemophilus 
A)  Streptococcus 
B)  Neisseria 
C)  Coxiella 
D)  Listeria 
E)  Haemophilus

Question 3

The (streptobacilli/actinomycetes/mycoplasmas) are a group of Gram-positive bacteria that form branching filaments resembling those of fungi.

Accepted Answer

The answer of The (streptobacilli/actinomycetes/mycoplasmas) are a group of Gram-positive...

Question 4

The production of large masses of bacteria and organic materials (flocs) that settle out of solution make useful in sewage treatment.

Accepted Answer

A)  Thiobacillus 
B)  Nitrosomonas 
C)  Neisseria 
D)  Zoogloea 
E)  Burkholderia 
A)  Thiobacillus 
B)  Nitrosomonas 
C)  Neisseria 
D)  Zoogloea 
E)  Burkholderia

Question 5

Which of the following characteristics distinguish(es) the archaea from the bacteria?

Accepted Answer

A)  cell wall composition 
B)  16S ribosomal RNA (rRN
A)  sequences 
C)  cytoplasmic membrane lipids 
D)  the deoxyribonucleotides in the DNA 
E)  cell wall composition, cytoplasmic membrane lipids, and 16S rRNA sequences 
A)  cell wall composition 
B)  16S ribosomal RNA (rRN
A)  sequences 
C)  cytoplasmic membrane lipids 
D)  the deoxyribonucleotides in the DNA 
E)  cell wall composition, cytoplasmic membrane lipids, and 16S rRNA sequences

Question 6

Bacteria described as ʺLow G + Cʺ

Accepted Answer

A)  include filamentous Actinomycetes. 
B)  are Gram-negative Cyanobacteria. 
C)  have unmethylated GC DNA. 
D)  have DNA composed of more than 50% AT pairs. 
E)  Gram stain pink and are cocci. 
A)  include filamentous Actinomycetes. 
B)  are Gram-negative Cyanobacteria. 
C)  have unmethylated GC DNA. 
D)  have DNA composed of more than 50% AT pairs. 
E)  Gram stain pink and are cocci.

Question 7

The most common form of reproduction among prokaryotes is (snapping/budding/binary) fission.

Accepted Answer

The answer of The most common form of reproduction among...

Question 8

This bacterial shape is called (bacillus/vibrio/rod).

Accepted Answer

The answer of   This bacterial shape is called...

Question 9

The ʺgiantʺ bacterium Epulopiscium reproduces by means of

Accepted Answer

A)  viviparity. 
B)  snapping division. 
C)  sexual reproduction. 
D)  budding. 
E)  binary fission. 
A)  viviparity. 
B)  snapping division. 
C)  sexual reproduction. 
D)  budding. 
E)  binary fission.

Question 10

The genus Mycobacterium includes species responsible for

Accepted Answer

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

Question 11

The archaea known as halophiles

Accepted Answer

A)  require temperatures above 45∘C to survive. 
B)  are members of the phylum Euryarchaeota. 
C)  require salt concentrations of 9% or greater to survive. 
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)  are members of the phylum Euryarchaeota. 
C)  require salt concentrations of 9% or greater to survive. 
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 12

A field biologist finds what might be a new species of prokaryote in sewage sludge. It is an obligate anaerobe that metabolizes organic acids and requires hydrogen gas. It lacks a peptidoglycan cell wall. The new find may be a

Accepted Answer

A)  clostridium. 
B)  mycoplasma. 
C)  bacteroides. 
D)  methanogen. 
E)  cyanobacterium. 
A)  clostridium. 
B)  mycoplasma. 
C)  bacteroides. 
D)  methanogen. 
E)  cyanobacterium.

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

Explain the significance of endospores.

Accepted Answer

Because an endospore can regenerate the

Question 15

Most of the methane produced by methanogens is oxidized by other types of bacteria before it affects the Earthʹs climate.

Accepted Answer

A) True 
 B)False

The Gram-positive obligate anaerobe causes a severe diarrhea.

The Gram-negative diplococci are pathogenic members of the betaproteobacteria that infect mammalian mucous membranes.

The (streptobacilli/actinomycetes/mycoplasmas) are a group of Gram-positive bacteria that form branching filaments resembling those of fungi.

The production of large masses of bacteria and organic materials (flocs) that settle out of solution make useful in sewage treatment.

Which of the following characteristics distinguish(es) the archaea from the bacteria?

Bacteria described as ʺLow G + Cʺ

The most common form of reproduction among prokaryotes is (snapping/budding/binary) fission.

This bacterial shape is called (bacillus/vibrio/rod).

The ʺgiantʺ bacterium Epulopiscium reproduces by means of

The genus Mycobacterium includes species responsible for

The archaea known as halophiles

A field biologist finds what might be a new species of prokaryote in sewage sludge. It is an obligate anaerobe that metabolizes organic acids and requires hydrogen gas. It lacks a peptidoglycan cell wall. The new find may be a

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

Explain the significance of endospores.

Most of the methane produced by methanogens is oxidized by other types of bacteria before it affects the Earthʹs climate.

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

Aids and Other 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 Environmental Microbiology

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Exam 11: Characterizing and Classifying Prokaryotes

The Gram-positive obligate anaerobe causes a severe diarrhea.

The Gram-negative diplococci are pathogenic members of the betaproteobacteria that infect mammalian mucous membranes.

The (streptobacilli/actinomycetes/mycoplasmas) are a group of Gram-positive bacteria that form branching filaments resembling those of fungi.

The production of large masses of bacteria and organic materials (flocs) that settle out of solution make useful in sewage treatment.

Which of the following characteristics distinguish(es) the archaea from the bacteria?

Bacteria described as ʺLow G + Cʺ

The most common form of reproduction among prokaryotes is (snapping/budding/binary) fission.

This bacterial shape is called (bacillus/vibrio/rod).

The ʺgiantʺ bacterium Epulopiscium reproduces by means of

The genus Mycobacterium includes species responsible for

The archaea known as halophiles

A field biologist finds what might be a new species of prokaryote in sewage sludge. It is an obligate anaerobe that metabolizes organic acids and requires hydrogen gas. It lacks a peptidoglycan cell wall. The new find may be a

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

Explain the significance of endospores.

Most of the methane produced by methanogens is oxidized by other types of bacteria before it affects the Earthʹs climate.

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

Aids and Other 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 Environmental Microbiology

Filters