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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Definitions:

Supply Curve

A graphical representation showing the relationship between the price of a good or service and the quantity of that good or service that a supplier is willing and able to supply to the market.

Marginal Cost Curve

A graphical representation that shows how the cost of producing one additional unit of a good changes as the production volume varies.

Average Variable Cost

Variable cost divided by the quantity of output

Unique Goods

Products that are distinct in their characteristics, offering uniqueness that differentiates them from mass-produced items.