When does anaerobic respiration occur in man | vedclass

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(B) In humans,during intense physical exercise,the demand for $O_{2}$ exceeds the supply,leading to a deficit. Under these anaerobic conditions,pyruvi

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During heavy exercise in man and in the absence of oxygen in yeast.

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(B) In humans,during intense physical exercise,the demand for $O_{2}$ exceeds the supply,leading to a deficit. Under these anaerobic conditions,pyruvic acid is converted into lactic acid by the enzyme lactate dehydrogenase.$(b)$ In yeast,anaerobic respiration (fermentation) occurs in the complete absence of $O_{2}$. Pyruvic acid is converted into $CO_{2}$ and ethanol through the action of enzymes pyruvic acid decarboxylase and alcohol dehydrogenase.

When does anaerobic respiration occur in man and yeast?

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