Multiple Choice
Which statement about the fixation of atmospheric nitrogen (N2) into NH3 by living cells is FALSE?
A) It involves the transfer of eight electrons per mol of N2.
B) It occurs in certain microorganisms, but not in humans.
C) It requires a source of electrons, normally ferredoxin.
D) It requires one ATP per mol of N2 fixed.
E) It requires two key protein components, each containing iron.
Correct Answer:

Verified
Correct Answer:
Verified
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