Multiple choice

How many moles of ATP are used when one mole of nitrogen is fixed?

  1. 2

  2. 16

  3. 8

  4. 1
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

16 moles of ATPs are consumed when 1 mole of nitrogen is fixed. The reaction is as follows: N2 + 8H+ + 8e- + 16 ATP = 2NH3 + H2 + 16ADP + 16 Pi

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