Question 1

The majority of bacterial species on Earth have not been successfully cultivated.

Accepted Answer

A) True 
 B)False

Question 2

Bacteroides and Escherichia are both gram-negative rods found in the large intestine.Why are they in different phyla?

Accepted Answer

Bacteroides and Escherichia are indeed b...

Question 3

Which of the following pairs is mismatched?

Accepted Answer

A)  spirochete - axial filament
B)  spirilum - aerobic,helical bacteria
C)  enterics - gram-negative
D)  mycobacteria - acid-fast
E)  Pseudomonas - gram-positiveF) A) and D)
G) A) and C)

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Explain the rationale for using molecular data for classification,in the place of morphology.

Accepted Answer

The rationale for using molecular data f...

Question 6

All of the following bacteria are gram-positive.Which does NOT belong with the others?

Accepted Answer

A)  Actinomyces
B)  Gardnerella
C)  Corynebacterium
D)  Listeria
E)  MycobacteriumF) None of the above
G) B) and D)

Question 7

Streptomyces are important because they

Accepted Answer

A)  make antibiotics.
B)  produce conidia.
C)  are implicated in acne.
D)  are strict aerobes.
E)  fix nitrogen.F) None of the above
G) C) and E)

Question 8

Burkholderia was reclassified from the gammaproteobacteria to the betaproteobacteria because

Accepted Answer

A)  it grows in disinfectants.
B)  it is a gram-negative rod.
C)  it causes infections in cystic fibrosis patients.
D)  it causes melioidosis.
E)  its rRNA sequence is similar to that of Neisseria.F) A) and B)
G) A) and C)

Question 9

Which of the following is the best reason to classify Streptococcus in the Lactobacillales?

Accepted Answer

A)  Gram reaction
B)  morphology
C)  fermentation of lactose
D)  rRNA sequences
E)  found in dairy productsF) B) and D)
G) C) and D)

Question 10

Which of the following pairs is NOT correctly matched?

Accepted Answer

A)  elementary body - Escherichia
B)  endospore - Bacillus
C)  endospore - Clostridium
D)  heterocyst - cyanobacteria
E)  myxospore - gliding bacteriaF) B) and D)
G) A) and D)

Question 11

Which of the following is NOT an enteric?

Accepted Answer

A)  Salmonella
B)  Shigella
C)  Escherichia
D)  Enterobacter
E)  CampylobacterF) B) and D)
G) D) and E)

Question 12

Currently,no members of Archaea have been linked to human disease.

Accepted Answer

A) True 
 B)False

Question 13

The use of culture-independent techniques has increased our understanding of microbial diversity without cultivation.Therefore,do microbiologists still need to attempt to grow new microbial species? Explain.

Accepted Answer

Yes, microbiologists still need to attem...

Question 14

Which of the following can survive in phagocytic cells and grows in refrigeration temperatures?

Accepted Answer

A)  Borrelia burgdorferi
B)  Mycoplasma hominis
C)  Mycobacterium leprae
D)  Clostridium botulinum
E)  Listeria monocytogenesF) B) and E)
G) None of the above

Question 15

Which of the following bacteria are responsible for more infections and more different kinds of infections?

Accepted Answer

A)  Streptococcus
B)  Staphylococcus
C)  Salmonella
D)  Pseudomonas
E)  NeisseriaF) A) and E)
G) B) and C)

Question 16

The genus of bacteria that are particularly problematic in hospital settings due to their ability to grow in solutions with minute traces of unusual carbon sources is

Accepted Answer

A)  Staphylococcus.
B)  Pseudomonas.
C)  Vibrio.
D)  Campylobacter.
E)  Legionella.F) B) and C)
G) All of the above

Question 17

Photosynthetic organisms always produce oxygen gas as a metabolic byproduct.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is NOT a characteristic of Neisseria?

Accepted Answer

A)  requires X and V factors
B)  cocci
C)  gram-negative
D)  aerobic
E)  Some species are human pathogens.F) D) and E)
G) None of the above

Question 19

Which of the following genera can be described as a non-motile aerobic gram negative rod?

Accepted Answer

A)  Escherichia
B)  Staphylococcus
C)  Bordetella
D)  Treponema
E)  NeisseriaF) C) and D)
G) A) and E)

Question 20

All of the following bacteria are motile.Which does NOT have flagella?

Accepted Answer

A)  Escherichia
B)  Spirillum
C)  Pseudomonas
D)  spirochetes
E)  SalmonellaF) A) and E)
G) B) and D)

Exam 11: The Prokaryotes: Domains Bacteria and Archaea

The use of culture-independent techniques has increased our understanding of microbial diversity without cultivation.Therefore,do microbiologists still need to attempt to grow new microbial species? Explain.

Correct AnswerAnswered by ExamLex AIYes, microbiologists still need to attem...View AnswerShow Answer

Which of the following is NOT an enteric?

Correct AnswerverifiedShow Answer

Which of the following bacteria are responsible for more infections and more different kinds of infections?

Correct AnswerverifiedShow Answer

Streptomyces are important because they

Correct AnswerverifiedShow Answer

Which of the following pairs is mismatched?

Correct AnswerverifiedShow Answer

The genus of bacteria that are particularly problematic in hospital settings due to their ability to grow in solutions with minute traces of unusual carbon sources is

Correct AnswerverifiedShow Answer

Which of the following is the best reason to classify Streptococcus in the Lactobacillales?

Correct AnswerverifiedShow Answer

Explain the rationale for using molecular data for classification,in the place of morphology.

Correct AnswerAnswered by ExamLex AIThe rationale for using molecular data f...View AnswerShow Answer

The majority of bacterial species on Earth have not been successfully cultivated.

Correct AnswerverifiedShow Answer

Burkholderia was reclassified from the gammaproteobacteria to the betaproteobacteria because

Correct AnswerverifiedShow Answer

Which of the following pairs is NOT correctly matched?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Bacteroides and Escherichia are both gram-negative rods found in the large intestine.Why are they in different phyla?

Correct AnswerAnswered by ExamLex AIBacteroides and Escherichia are indeed b...View AnswerShow Answer

Photosynthetic organisms always produce oxygen gas as a metabolic byproduct.

Correct AnswerverifiedShow Answer

All of the following bacteria are gram-positive.Which does NOT belong with the others?

Correct AnswerverifiedShow Answer

Which of the following can survive in phagocytic cells and grows in refrigeration temperatures?

Correct AnswerverifiedShow Answer

Which of the following genera can be described as a non-motile aerobic gram negative rod?

Correct AnswerverifiedShow Answer

All of the following bacteria are motile.Which does NOT have flagella?

Correct AnswerverifiedShow Answer

Currently,no members of Archaea have been linked to human disease.

Correct AnswerverifiedShow Answer

Which of the following is NOT a characteristic of Neisseria?

Correct AnswerverifiedShow Answer

Correct Answer
Answered by ExamLex AI
Yes, microbiologists still need to attem...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The rationale for using molecular data f...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Bacteroides and Escherichia are indeed b...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified