The enzymatic machinery to fix atmospheric N 2 into NH 4 + is:

The mention of iron indicates that the enzymatic machinery involves iron-containing proteins, such as nitrogenase, which is responsible for fixing atmospheric nitrogen into reactive forms that can be used by plants. None of the other answer choices are supported by the given information.

The enzymatic machinery to fix atmospheric N 2 into NH 4 + is:

The mention of iron indicates that the enzymatic machinery involves iron-containing proteins, such as nitrogenase, which is responsible for fixing atmospheric nitrogen into reactive forms that can be used by plants. None of the other answer choices are supported by the given information.

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The Enzymatic Machinery to Fix Atmospheric N₂ into NH₄⁺ Is

Question 16

Multiple Choice

The enzymatic machinery to fix atmospheric N₂ into NH₄⁺ is:

A) a means of producing ATP when excess N₂ is available.
B) composed of two key proteins, each containing iron.
C) relatively stable when exposed to O₂.
D) specific to plant cells.
E) unaffected by the supply of electrons.

Correct Answer: