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← ScienceWhich mechanism limits ethanol production in fermentation vats?
A)Product inhibition reduces enzyme activity✓
B)Substrate depletion causes declining growth
C)Cell lysis contaminates feedstock
D)Nutrient imbalance favors byproducts formation
💡 Explanation
Product inhibition slows production because high ethanol concentrations reduce the *catalytic efficiency* of yeast enzymes. This lowers the reaction rate, therefore, leading to decreased productivity rather than, say, cell death or substrate limitation at industrially practiced conditions.
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