Microbiology With Diseases by Body System 5th Edition by Robert W. Bauman – Test Bank

11) What does the term “deeply branching bacteria” mean?
A) The bacteria likely branched from other Bacteria very early.
B) The bacteria grow in long filaments with frequent branches.
C) The bacteria grow in environments far below the surface of the Earth.
D) The bacterial cells have a Y or “branched” shape.
E) This group of bacteria have ribosomal RNAs very divergent from the rest of the members of the domain Bacteria.
Answer: A
Bloom’s Taxonomy: Comprehension
Section: Survey of Bacteria
Learning Outcome: 11.11

12) Aerobic cyanobacteria carry out the reactions of nitrogen fixation in
A) akinetes.
B) endospores.
C) heterocysts.
D) chloroplasts.
E) lamellae.
Answer: C
Bloom’s Taxonomy: Knowledge
Section: Survey of Bacteria
Learning Outcome: 11.12

13) Spores known as akinetes are reproductive structures of
A) members of the Bacillus genus.
B) members of the genus Mycoplasma.
C) members of the proteobacteria.
D) members of the Archaea.
E) members of the cyanobacteria.
Answer: E
Bloom’s Taxonomy: Knowledge
Section: Survey of Bacteria
Learning Outcome: 11.12

14) Bacteria in the phylum Firmicutes are distinguished from the phylum Actinobacteria on the basis of
A) their Gram stain reaction.
B) the high G + C content of their DNA.
C) their spiral shapes.
D) the low G + C content of their DNA.
E) the presence of LPS in their membranes.
Answer: D
Bloom’s Taxonomy: Comprehension
Section: Survey of Bacteria
Learning Outcome: 11.15

15) Which of the following diseases is NOT associated with bacteria that form endospores?
A) tetanus
B) anthrax
C) gangrene
D) botulism
E) toxic shock syndrome
Answer: E
Bloom’s Taxonomy: Comprehension
Section: Survey of Bacteria
Learning Outcome: 11.2, 11.14

16) Mycoplasmas are pleomorphic because they
A) have no cell walls.
B) are low G + C content Gram-positive bacteria.
C) exhibit snapping division.
D) have sterols in their cytoplasmic membranes.
E) produce endospores.
Answer: A
Bloom’s Taxonomy: Comprehension
Section: Survey of Bacteria
Learning Outcome: 11.13

17) Which of the following bacterial genera produce(s) endospores?
A) Bacillus
B) Clostridium
C) Lactobacillus
D) both Bacillus and Lactobacillus
E) both Bacillus and Clostridium
Answer: E
Bloom’s Taxonomy: Knowledge
Section: General Characteristics of Prokaryotic Organisms
Learning Outcome: 11.2

18) Which of the following bacterial genera includes species that protect areas of the body such as the intestinal tract and the vagina from invasion by pathogens?
A) Staphylococcus
B) Listeria
C) Lactobacillus
D) Mycobacterium
E) Corynebacterium
Answer: C
Bloom’s Taxonomy: Comprehension
Section: Survey of Bacteria
Learning Outcome: 11.14

19) Which of the following groups of bacteria is named for its resemblance to fungi?
A) Corynebacterium
B) Actinomyces
C) Clostridium
D) Lactobacillus
E) Staphylococcus
Answer: B
Bloom’s Taxonomy: Knowledge
Section: Survey of Bacteria
Learning Outcome: 11.17

20) Which of the following bacterial genera is useful for the degradation of environmental pollutants?
A) Actinomyces
B) Streptomyces
C) Corynebacterium
D) Rhizobium
E) Nocardia
Answer: E
Bloom’s Taxonomy: Knowledge
Section: Survey of Bacteria
Learning Outcome: 11.17