Lactic acid bacteria such as Lactococcus
A) produce catalase.
B) are obligate fermenters.
C) require anaerobic environments.
D) use oxygen as a final electron acceptor.
E) are always pathogenic.
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Q2: Streptococcus pyogenes
A) is alpha-hemolytic.
B) is gamma-hemolytic.
C) is
Q3: Clostridium, Lactobacillus, and Propionibacterium all
A) oxidize inorganic
Q4: Phycobiliproteins are
A) found in purple sulfur bacteria
Q5: A particular characteristic of disease-causing Streptococcus is
A)
Q6: The purple sulfur and green sulfur bacteria
A)
Q7: Hydrogen sulfide
A) is produced when nitrate is used
Q8: The methanogens
A) are part of the domain
Q9: It has been estimated that 99% of
Q10: Cyanobacteria
A) are a form of algae.
B) are
Q11: Anoxygenic phototrophs
A) produce oxygen.
B) use water as
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