What contains the greatest concentration of lactic acid? a) bottle of alcoholic drink b) a loaf of freshly baked bread c) muscle cells during vigorous exercise d) yeast cells kept in glucose at 70°C for 30 minutes​

Answers (1)

If there is a lack of oxygen in our muscle cells, pyruvate breaks in a different pathway. Glucose (a 6-carbon molecule) breaks into pyruvate (a 3-carbon molecule) and pyruvate is then converted to lactic acid (a 3-carbon molecule) along with the release of energy. The buildup of lactic acid in our muscles due to sudden activity can cause muscle cramps.  Hence, the correct option is (c).

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