Which of the following bacterial genera plays an important role in environmental nitrogen cycles?
A) Rhizobium
B) Nitrobacter
C) Azospirillum
D) both Nitrobacter and Rhizobium
E) Nitrobacter, Rhizobium, and Azospirillum
Correct Answer:
Verified
Q17: Mycoplasmas are pleomorphic because they
A) have sterols
Q18: What bacterial structure is responsible for separating
Q19: Which of the following bacterial genera produce(s)
Q20: A Gram- positive psychrotrophic rod is a
Q21: Q23: Bergey's Manual of Systematic Bacteriology contains Q24: Members of the genus Chlamydia are Q25: Which of the following bacterial arrangements is Q26: Heterocysts are found in Q27: The include the genus Aquifex.
A) recipes
A) intracellular
A) chlamydias.
B) myxobacteria.
C) cyanobacteria.
D)
A) proteobacteria
B) high
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