Comparatively greater energy is released when
A) carbon dioxide is the final electron acceptor.
B) hydrogen is the final electron acceptor.
C) nitrate is the final electron acceptor.
D) oxygen is the final electron acceptor.
Correct Answer:
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Q2: Streptococcus pyogenes
A) is alpha-hemolytic.
B) is gamma-hemolytic.
C) is
Q7: Hydrogen sulfide
A)is produced when sulfur compounds are
Q8: Which of the following microbes is(are)important to
Q9: Cyanobacteria
A)are a form of algae.
B)are prokaryotes.
C)use hydrogen
Q10: The lactobacilli,in their role as normal flora
Q11: Anoxygenic phototrophs
A) produce oxygen.
B) use water as
Q13: Methanogens often grow in association with
A)nitrifying bacteria.
B)lithotrophic
Q14: The purple sulfur and green sulfur bacteria
A)both
Q15: Phycobiliproteins are
A)found in purple sulfur bacteria.
B)found in
Q17: Which of the following colonize the vagina
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