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Which of the following class of enzyme does not need manganese for its efficient activity?

(a) Dehydrogenase

(b) Decarboxylases

(c) Kinases

(d) Nitrogenase

The question was posed to me in an interview for internship.

Question is from Mineral Nutrition in portion Plant Physiology of Life Sciences

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Correct option is (d) Nitrogenase

To explain I would say: Nitrogenase requires molybdenum for its activity while dehydrogenase, decarboxylases, and kinases require manganese forits efficient function.

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