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← Nature & AnimalsWhich atmospheric effect enhances nitrogen fixation enzyme activity?
A)Increased partial pressure of oxygen
B)Decreased background radiation levels
C)Reduced concentration of inhibiting compounds✓
D)Elevated rates of atmospheric deposition
💡 Explanation
Nitrogenase enzyme complex is sensitive to inhibition; therefore, reduced inhibitory compound concentrations enhance nitrogen fixation capabilities by soil microbes because the system operates efficiently, rather than succumbing to constraints by inhibitors or high concentrations of oxygen.
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