Which outcome occurs when nitrogen-fixing bacteria within the root nodules of soybean plants have limited molybdenum availability?

💡 Explanation

Reduced molybdenum limits nitrogenase enzymatic activity, slowing nitrogen fixation, because molybdenum is crucial to the dinitrogenase reductase component. Therefore, less ammonia is synthesized, rather than increased disease resistance, because nitrogen is limiting plant growth and metabolism.

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