A) are resistant to many disinfectants and antimicrobials.
B) are mostly harmless except for the opportunistic P. aeruginosa.
C) require nutrient rich environments.
D) do not contain plasmids.
E) are resistant to many disinfectants and antimicrobials AND are mostly harmless except for the opportunistic P. aeruginosa.
G) C) and D)
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A) The obligate aerobes are far more numerous, and also far more interesting.
B) It's much harder to provide the right atmospheric environment to cultivate obligate anaerobes, so it's been harder to study them.
C) Only obligate aerobes cause disease, so we've had little reason to study obligate anaerobes.
D) The majority of obligate anaerobes are very nutritionally fastidious, which has slowed their study.
F) C) and D)
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A) Corynebacterium diptheria.
B) Mycobacterium tuberculosis.
C) Streptococcus pyogenes.
D) Listeria monocytogenes.
F) B) and C)
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A) nitrifying bacteria.
B) lithotrophic bacteria.
C) photosynthetic bacteria.
D) fermentative bacteria.
F) A) and D)
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B) False
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A) catalase production.
B) beta-hemolysis.
C) lactic acid production.
D) growth at refrigerator temperatures.
F) C) and D)
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A) are found in nitrogen-fixing cyanobacteria.
B) are used to protect nitrogenase.
C) produce catalase.
D) generate oxygen.
E) are found in nitrogen-fixing cyanobacteria AND are used to protect nitrogenase.
G) A) and B)
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A) Rhizobium
B) Agrobacterium
C) Bacillus anthracis
D) Yersinia pestis
F) B) and C)
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A) produce oxygen.
B) use water as a source of electrons.
C) use hydrogen sulfide or organic compounds as a source of electrons.
D) use the same form of chlorophyll found in terrestrial plants.
E) produce oxygen AND use the same form of chlorophyll found in terrestrial plants.
G) B) and C)
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A) the neutrality of the vaginal mucus.
B) acidity of the vagina.
C) food for the resident vaginal flora.
D) fertility of the host.
F) All of the above
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B) False
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A) lactic acid bacteria
B) Clostridium acetylbutylicum
C) Desuflovibrio
D) Propionibacterium
E) lactic acid bacteria AND Propionibacterium
G) A) and C)
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