Question 1

Escherichia coli belongs to the

Accepted Answer

A)  spirochetes. 
B)  actinomycetes. 
C)  green sulfur bacteria. 
D)  gram- positive bacteria. 
E)  proteobacteria. 
A)  spirochetes. 
B)  actinomycetes. 
C)  green sulfur bacteria. 
D)  gram- positive bacteria. 
E)  proteobacteria. E

Question 2

The deinococci can be categorized as extremophiles.

Accepted Answer

A) True 
 B)False  True

Question 3

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

Accepted Answer

A)  Wolbachia 
B)  Rickettsia 
C)  Staphylococcus 
D)  Coxiella 
E)  Ehrlichia 
A)  Wolbachia 
B)  Rickettsia 
C)  Staphylococcus 
D)  Coxiella 
E)  Ehrlichia C

Question 4

Mycoplasmas differ from other bacteria in that they

Accepted Answer

A)  are gram- negative. 
B)  are acid- fast. 
C)  lack a cell wall. 
D)  are motile. 
E)  grow inside host cells. 
A)  are gram- negative. 
B)  are acid- fast. 
C)  lack a cell wall. 
D)  are motile. 
E)  grow inside host cells.

Question 5

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

Accepted Answer

A)  Staphylococcus 
B)  Halobacterium 
C)  Methanobacterium 
D)  Halococcus 
E)  Sulfolobus 
A)  Staphylococcus 
B)  Halobacterium 
C)  Methanobacterium 
D)  Halococcus 
E)  Sulfolobus

Question 6

Caulobacter are different from most bacteria in that they

Accepted Answer

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

Question 7

Rickettsias differ from chlamydias in that rickettsias

Accepted Answer

A)  form elementary bodies. 
B)  are enterics. 
C)  are gram- negative. 
D)  require an arthropod for transmission. 
E)  are intracellular parasites. 
A)  form elementary bodies. 
B)  are enterics. 
C)  are gram- negative. 
D)  require an arthropod for transmission. 
E)  are intracellular parasites.

Question 8

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 9

Which of the following is NOT a characteristic inherent of the non- endospore- forming gram- positive rods?

Accepted Answer

A)  carry out fermentative metabolism 
B)  lack cell walls 
C)  nonpathogenic 
D)  are aerotolerant 
E)  display a branched filamentous morphology 
A)  carry out fermentative metabolism 
B)  lack cell walls 
C)  nonpathogenic 
D)  are aerotolerant 
E)  display a branched filamentous morphology

Question 10

Both Beggiatoa and the purple sulfur bacteria use H2S. These bacteria differ in that Beggiatoa

Accepted Answer

A)  uses H2S for a carbon source. 
B)  belongs to the gammaproteobacteria. 
C)  uses H2S for an energy source. 
D)  uses light energy. 
E)  is a heterotroph. 
A)  uses H2S for a carbon source. 
B)  belongs to the gammaproteobacteria. 
C)  uses H2S for an energy source. 
D)  uses light energy. 
E)  is a heterotroph.

Question 11

Which of the following bacteria is gram- positive?

Accepted Answer

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

Question 12

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

Accepted Answer

A)  Bacillus subtilis 
B)  Streptococcocus pyogenes 
C)  Neisseria gonorrhoeae 
D)  Staphylococcus aureus 
E)  Eschericia coli 
A)  Bacillus subtilis 
B)  Streptococcocus pyogenes 
C)  Neisseria gonorrhoeae 
D)  Staphylococcus aureus 
E)  Eschericia coli

Question 13

A primary difference between cyanobacteria and purple and green phototrophic bacteria is

Accepted Answer

A)  electron donor for CO2 reduction. 
B)  color. 
C)  energy source. 
D)  cell type. 
E)  cell wall type. 
A)  electron donor for CO2 reduction. 
B)  color. 
C)  energy source. 
D)  cell type. 
E)  cell wall type.

Question 14

The human body is typically free of archaeal species.

Accepted Answer

A) True 
 B)False

Question 15

You have isolated a bacterium that grows in a medium containing an organic substrate and nitrate in the absence of oxygen. The nitrate is reduced to nitrogen gas. You can be sure that this bacterium is

Accepted Answer

A)  gram- positive. 
B)  a photoheterotroph. 
C)  using anaerobic respiration. 
D)  a photoautotroph. 
E)  a chemoautotroph. 
A)  gram- positive. 
B)  a photoheterotroph. 
C)  using anaerobic respiration. 
D)  a photoautotroph. 
E)  a chemoautotroph.

Question 16

Which of the following is NOT a characteristic of Neisseria?

Accepted Answer

A)  gram- negative 
B)  oxidase- positive 
C)  requires X and V factors 
D)  cocci 
E)  Some species are human pathogens. 
A)  gram- negative 
B)  oxidase- positive 
C)  requires X and V factors 
D)  cocci 
E)  Some species are human pathogens.

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

A)  Campylobacter 
B)  Pseudomonas 
C)  Salmonella 
D)  Bordetella 
E)  Burkholderia 
A)  Campylobacter 
B)  Pseudomonas 
C)  Salmonella 
D)  Bordetella 
E)  Burkholderia

Question 19

Figure 11.1
  
-What is group "c." in the key shown in Figure 11.1?

Accepted Answer

A)  fusobacteria 
B)  chlamydiae 
C)  planctomycetes 
D)  bacteroidetes 
E)  spirochaetes 
A)  fusobacteria 
B)  chlamydiae 
C)  planctomycetes 
D)  bacteroidetes 
E)  spirochaetes

Question 20

The Gram stain is not suitable for identifying members of the Archaea.

Accepted Answer

A) True 
 B)False

Exam 11: The Prokaryotes: Domains Bacteria and Archaea

Escherichia coli belongs to the

The deinococci can be categorized as extremophiles.

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

Mycoplasmas differ from other bacteria in that they

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

Caulobacter are different from most bacteria in that they

Rickettsias differ from chlamydias in that rickettsias

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

Which of the following is NOT a characteristic inherent of the non- endospore- forming gram- positive rods?

Both Beggiatoa and the purple sulfur bacteria use H2S. These bacteria differ in that Beggiatoa

Which of the following bacteria is gram- positive?

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

A primary difference between cyanobacteria and purple and green phototrophic bacteria is

The human body is typically free of archaeal species.

You have isolated a bacterium that grows in a medium containing an organic substrate and nitrate in the absence of oxygen. The nitrate is reduced to nitrogen gas. You can be sure that this bacterium is

Which of the following is NOT a characteristic of Neisseria?

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

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

Figure 11.1 -What is group "c." in the key shown in Figure 11.1?

The Gram stain is not suitable for identifying members of the Archaea.

The Microbial World and You

Chemical Principles

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic Cells

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Recombinant Dna

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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Both Beggiatoa and the purple sulfur bacteria use H₂S. These bacteria differ in that Beggiatoa