Accumulation of which of the following molecu | vedclass

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(D) During vigorous exercise,the demand for energy in muscles exceeds the supply of oxygen. Under these anaerobic conditions,the body converts pyruvic

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$L^{-}$-Lactic acid

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(D) During vigorous exercise,the demand for energy in muscles exceeds the supply of oxygen. Under these anaerobic conditions,the body converts pyruvic acid into lactic acid to regenerate $NAD^{+}$ and continue glycolysis for $ATP$ production. This accumulation of $L^{-}$-Lactic acid in the muscle tissues leads to muscle fatigue and soreness. The process is represented as: $	ext{Glucose}$ $ightarrow 	ext{Pyruvic acid}$ $ightarrow 	ext{Lactic acid}$.

Accumulation of which of the following molecules in the muscles occurs as a result of vigorous exercise?

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