The primary difference between alcohol fermentation in yeast and lactic acid fermentation in muscle cells is that alcohol fermentation in yeast produces ethanol and carbon dioxide, while lactic acid fermentation in muscle cells produces lactic acid.
Yeast cells produce ethanol and carbon dioxide through the process of alcoholic fermentation. This process begins when yeast cells consume glucose. The yeast cells convert the glucose into pyruvate, and then the pyruvate is converted into ethanol and carbon dioxide. Lactic acid fermentation takes place in muscle cells when they do not have enough oxygen to produce energy aerobically. In this process, the muscle cells convert pyruvate into lactic acid. Lactic acid is then used by the cells to produce energy.
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