Multiple Choice
Which statement about nitrogen metabolism is false?
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 denitrifiers, terrestrial organisms would lack a nitrogen supply.
Correct Answer:

Verified
Correct Answer:
Verified
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