Which Statement About Nitrogen Metabolism Is Not True

question 66

Multiple Choice

Which statement about nitrogen metabolism is not true?

• A) Certain prokaryotes reduce atmospheric N₂ to ammonia.
• B) Some nitrifiers are soil bacteria.
• C) Denitrifiers are obligate anaerobes.
• D) Nitrifiers obtain energy by oxidizing ammonia and nitrite.
• E) Without nitrifiers, terrestrial organisms would lack anitrogen supply.

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