Question 1

Two distinguishing factors of the epsilonproteobacteria that they are motile and microaerophilic.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following best describes the enterics,a bacterial group found primarily in the intestines of humans?

Accepted Answer

A) gram-negative aerobic rods and cocci 
B) aerobic,helical bacteria 
C) facultatively anaerobic gram-negative rods 
D) gram-positive cocci 
E) endospore-forming rods 
A) gram-negative aerobic rods and cocci 
B) aerobic,helical bacteria 
C) facultatively anaerobic gram-negative rods 
D) gram-positive cocci 
E) endospore-forming rods

Question 3

Which of the following pairs is mismatched?

Accepted Answer

A) dissimilatory sulfate-reducing bacteria - produce H₂S 
B) archaea - extremophiles 
C) chemoautotrophic bacteria - fix atmospheric nitrogen 
D) actinomycetes - reproduce by fragmentation 
E) Cytophaga - a gliding,nonfruiting bacterium 
A) dissimilatory sulfate-reducing bacteria - produce H₂S 
B) archaea - extremophiles 
C) chemoautotrophic bacteria - fix atmospheric nitrogen 
D) actinomycetes - reproduce by fragmentation 
E) Cytophaga - a gliding,nonfruiting bacterium

Question 4

Which of the following do you expect to be MOST resistant to high temperatures?

Accepted Answer

A) Bacillus subtilis 
B) Escherichia coli 
C) Neisseria gonorrhoeae 
D) Staphylococcus aureus 
E) Streptococcus pyogenes 
A) Bacillus subtilis 
B) Escherichia coli 
C) Neisseria gonorrhoeae 
D) Staphylococcus aureus 
E) Streptococcus pyogenes

Question 5

You have isolated an aerobic gram-positive,endospore-forming bacterium that grows well on nutrient agar.To which of the following groups does it most likely belong?

Accepted Answer

A) phototrophic bacteria 
B) gammaproteobacteria 
C) deltaproteobacteria 
D) bacillales 
E) The answer cannot be determined based on the information provided. 
A) phototrophic bacteria 
B) gammaproteobacteria 
C) deltaproteobacteria 
D) bacillales 
E) The answer cannot be determined based on the information provided.

Question 6

Bacterial predators such as Bdellovibrio are members of the betaproteobacteria.

Accepted Answer

A) True 
 B)False

Question 7

Which one of the following bacteria does NOT belong with the other betaproteobacteria?

Accepted Answer

A) Bordetella 
B) Burkholderia 
C) Neisseria 
D) Acidithiobacillus 
E) Salmonella 
A) Bordetella 
B) Burkholderia 
C) Neisseria 
D) Acidithiobacillus 
E) Salmonella

Question 8

Describe two factors that contribute to the limits of our knowledge of microbial diversity.

Accepted Answer

One factor that contributes to the limit

Question 9

The human body is typically free of archaeal species.

Accepted Answer

A) True 
 B)False

Question 10

A biological control method to reduce the reproductive success of mosquitoes involves the use of

Accepted Answer

A) Acinetobacter. 
B) Gemmata. 
C) Neisseria. 
D) Pelagibacter. 
E) Wolbachia. 
A) Acinetobacter. 
B) Gemmata. 
C) Neisseria. 
D) Pelagibacter. 
E) Wolbachia.

Question 11

Actinomycetes differ from fungi in that actinomycetes

Accepted Answer

A) are chemoheterotrophs. 
B) lack a membrane-bounded nucleus. 
C) require light. 
D) are decomposers. 
E) cause disease. 
A) are chemoheterotrophs. 
B) lack a membrane-bounded nucleus. 
C) require light. 
D) are decomposers. 
E) cause disease.

Question 12

The nonsulfur photosynthetic bacteria use organic compounds as

Accepted Answer

A) carbon and energy sources. 
B) electron donors to reduce CO₂. 
C) oxygen sources. 
D) electron acceptors. 
E) carbon and energy sources,and as electron donors to reduce CO₂. 
A) carbon and energy sources. 
B) electron donors to reduce CO₂. 
C) oxygen sources. 
D) electron acceptors. 
E) carbon and energy sources,and as electron donors to reduce CO₂.

Question 13

Salmonella,Shigella,Yersinia,and Serratia are all

Accepted Answer

A) gram negative aerobes. 
B) gram-negative facultatively anaerobic rods. 
C) gram-positive aerobic cocci. 
D) fermentative. 
E) endospore-forming bacteria. 
A) gram negative aerobes. 
B) gram-negative facultatively anaerobic rods. 
C) gram-positive aerobic cocci. 
D) fermentative. 
E) endospore-forming bacteria.

Question 14

Which of the following bacteria is gram-positive?

Accepted Answer

A) Pseudomonas 
B) Salmonella 
C) Streptococcus 
D) Bacteroides 
E) Rickettsia 
A) Pseudomonas 
B) Salmonella 
C) Streptococcus 
D) Bacteroides 
E) Rickettsia

Question 15

Requirements for X and V factors are used to identify

Accepted Answer

A) Staphylococcus. 
B) Escherichia. 
C) Neisseria. 
D) Haemophilus. 
E) Pseudomonas. 
A) Staphylococcus. 
B) Escherichia. 
C) Neisseria. 
D) Haemophilus. 
E) Pseudomonas.

Question 16

A colleague proposes that the Archaea may be the oldest life forms currently inhabiting Earth.Do you agree? Explain.

Accepted Answer

While it is a widely accepted hypothesis

Question 17

Which one of the following bacteria does NOT belong with the others?

Accepted Answer

A) Bacillus 
B) Escherichia 
C) Lactobacillus 
D) Staphylococcus 
E) Streptococcus 
A) Bacillus 
B) Escherichia 
C) Lactobacillus 
D) Staphylococcus 
E) Streptococcus

Question 18

You have isolated and grown a pure culture of a prokaryotic cell type.The first step in identification is a(n)

Accepted Answer

A) Gram stain. 
B) lactose fermentation test. 
C) endospore stain. 
D) flagella stain. 
E) DNA fingerprint. 
A) Gram stain. 
B) lactose fermentation test. 
C) endospore stain. 
D) flagella stain. 
E) DNA fingerprint.

Question 19

Caulobacter are different from most bacteria in that they

Accepted Answer

A) are gram-negative. 
B) are gram-positive. 
C) have stalks. 
D) lack cell walls. 
E) are motile. 
A) are gram-negative. 
B) are gram-positive. 
C) have stalks. 
D) lack cell walls. 
E) are motile.

Question 20

The deinococci can be categorized as extremophiles.

Accepted Answer

A) True 
 B)False

Exam 11: The Prokaryotes: Domains Bacteria and Archaea

Two distinguishing factors of the epsilonproteobacteria that they are motile and microaerophilic.

Which of the following best describes the enterics,a bacterial group found primarily in the intestines of humans?

Which of the following pairs is mismatched?

Which of the following do you expect to be MOST resistant to high temperatures?

You have isolated an aerobic gram-positive,endospore-forming bacterium that grows well on nutrient agar.To which of the following groups does it most likely belong?

Bacterial predators such as Bdellovibrio are members of the betaproteobacteria.

Which one of the following bacteria does NOT belong with the other betaproteobacteria?

Describe two factors that contribute to the limits of our knowledge of microbial diversity.

The human body is typically free of archaeal species.

A biological control method to reduce the reproductive success of mosquitoes involves the use of

Actinomycetes differ from fungi in that actinomycetes

The nonsulfur photosynthetic bacteria use organic compounds as

Salmonella,Shigella,Yersinia,and Serratia are all

Which of the following bacteria is gram-positive?

Requirements for X and V factors are used to identify

A colleague proposes that the Archaea may be the oldest life forms currently inhabiting Earth.Do you agree? Explain.

Which one of the following bacteria does NOT belong with the others?

You have isolated and grown a pure culture of a prokaryotic cell type.The first step in identification is a(n)

Caulobacter are different from most bacteria in that they

The deinococci can be categorized as extremophiles.

The Microbial World and You

Chemical Principles

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Dna Technology

Classification of Microorganisms

The Eukaryotes: Fungi, algae, protozoa, and Helminths

Viruses,viroids,and Prions

Principles of Disease and Epidemiology

Microbial Mechanisms of Pathogenicity

Innate Immunity: Nonspecific Defenses of the Host

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

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