Question 1

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 pyogenesF) B) and E)
G) A) and E)

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 rodsF) C) and D)
G) All of the above

Question 3

Bacterial predators such as Bdellovibrio are members of the betaproteobacteria.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following bacteria is gram-positive?

Accepted Answer

A)  Pseudomonas
B)  Salmonella
C)  Streptococcus
D)  Bacteroides
E)  RickettsiaF) B) and E)
G) A) and B)

Question 5

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.F) A) and B)
G) A) and C)

Question 6

Requirements for X and V factors are used to identify

Accepted Answer

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

Question 7

The human body is typically free of archaeal species.

Accepted Answer

A) True 
 B)False

Question 8

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.F) B) and D)
G) A) and B)

Question 9

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.F) None of the above
G) A) and E)

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.F) A) and B)
G) A) and D)

Question 11

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 12

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 bacteriumF) C) and D)
G) C) and E)

Question 13

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

Accepted Answer

A)  Bacillus
B)  Escherichia
C)  Lactobacillus
D)  Staphylococcus
E)  StreptococcusF) A) and B)
G) All of the above

Question 14

The deinococci can be categorized as extremophiles.

Accepted Answer

A) True 
 B)False

Question 15

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.F) A) and D)
G) C) and E)

Question 16

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

Accepted Answer

One factor that contributes to the limit...

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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.F) B) and C)
G) A) and C)

Question 19

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

Accepted Answer

A)  Bordetella
B)  Burkholderia
C)  Neisseria
D)  Acidithiobacillus
E)  SalmonellaF) C) and E)
G) A) and B)

Question 20

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.F) None of the above
G) D) and E)

Exam 11: The Prokaryotes: Domains Bacteria and Archaea

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

Correct AnswerverifiedShow Answer

The deinococci can be categorized as extremophiles.

Correct AnswerverifiedShow Answer

Which of the following bacteria is gram-positive?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerAnswered by ExamLex AIWhile it is a widely accepted hypothesis...View AnswerShow Answer

Which of the following pairs is mismatched?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Caulobacter are different from most bacteria in that they

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

Requirements for X and V factors are used to identify

Correct AnswerverifiedShow Answer

Actinomycetes differ from fungi in that actinomycetes

Correct AnswerverifiedShow Answer

Bacterial predators such as Bdellovibrio are members of the betaproteobacteria.

Correct AnswerverifiedShow Answer

The nonsulfur photosynthetic bacteria use organic compounds as

Correct AnswerverifiedShow Answer

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

Correct AnswerAnswered by ExamLex AIOne factor that contributes to the limit...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

Salmonella,Shigella,Yersinia,and Serratia are all

Correct AnswerverifiedShow Answer

The human body is typically free of archaeal species.

Correct AnswerverifiedShow Answer

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Answered by ExamLex AI
While it is a widely accepted hypothesis...
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Answered by ExamLex AI
One factor that contributes to the limit...
View Answer

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