Which of the Following Bacterial Genera Plays an Important Role

question 6

Multiple Choice

Which of the following bacterial genera plays an important role in environmental nitrogen cycles?

• A) Nitrobacter
• B) Rhizobium
• C) Azospirillum
• D) both Nitrobacter and Rhizobium
• E) Nitrobacter, Rhizobium, and Azospirillum

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