Molybdenum is a cofactor for nitrogenase, which means every nitrogen-fixing microorganisms will not be able to fix nitrogen without Mo.

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Quizplus · Accepted Answer

This statement is true. Molybdenum is an essential cofactor for nitrogenase, which is the enzyme responsible for fixing atmospheric nitrogen gas into a usable form for plants and other organisms. Without Mo, nitrogen fixation cannot occur.

Molybdenum Is a Cofactor for Nitrogenase, Which Means Every Nitrogen-Fixing