Question

What compound is produced by aerobic respiration in all living organisms and by anaerobic respiration in yeast but not in human muscle cells ?

Answer 1

Without oxygen, pyruvate is converted to lactic acid in animals or ethanol in plants and yeast. It produces only about 10% of the energy released in the complete oxidation of glucose. Anaerobic respiration in humans takes place when muscle undergoes extreme contraction as in vigorous exercise

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