Which of the Following Statements Concerning the Nitrogen Cycle Is

question 63

Multiple Choice

Which of the following statements concerning the Nitrogen Cycle is FALSE?

• A) It is an atmospheric cycle.
• B) In nitrogen fixation, unusable nitrogen gas is oxidized to the usable ammonium ion (NH₄⁺)
• C) Nitrogenase is the enzyme responsible for nitrogen fixation.
• D) In ammonification, NH₄⁺ is produced during the breakdown of amino acids by soil microbes during the decomposition of organic matter.

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