Cyanobacteria
A) are a form of algae.
B) are prokaryotes.
C) use hydrogen sulfide as an electron source.
D) are eukaryotes.
Correct Answer:
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Q4: Clostridium,Lactobacillus,and Propionibacterium all
A)use sulfur compounds as terminal
Q5: A particular characteristic of disease-causing Streptococcus is
A)catalase
Q6: It has been estimated that 99% of
Q7: Hydrogen sulfide
A)is produced when sulfur compounds are
Q8: Which of the following microbes is(are)important to
Q10: The lactobacilli,in their role as normal flora
Q11: Anoxygenic phototrophs
A) produce oxygen.
B) use water as
Q12: Comparatively greater energy is released when
A)carbon dioxide
Q13: Methanogens often grow in association with
A)nitrifying bacteria.
B)lithotrophic
Q14: The purple sulfur and green sulfur bacteria
A)both
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