Biochemistry Quiz
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BIOENERGETICS & CENTRAL METABOLISM
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A biotechnology company is optimizing ethanol production in genetically modified yeast. They observe that at high glucose concentrations (>20%), ethanol yield decreases despite adequate oxygen limitation. Further analysis reveals that pyruvate accumulates under these conditions.
Based on the metabolic pathway of alcoholic fermentation, what is the most likely explanation for pyruvate accumulation at high glucose concentrations?
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