How many ATP are required for the formation of one molecule of NH3 by the nitrogenase enzyme?
A
Six
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B
Eight
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C
Twelve
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D
Sixteen
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Solution
The correct option is B Eight Conversion of atmospheric nitrogen (N2) into inorganic nitrogenous compound NH3 by living organisms is called biological nitrogen fixation. 8 ATP are required for the formation of one molecule of NH3 by the nitrogenase enzyme.