Alcoholic fermentation From glycolic Sea as well as the breakdown of glucose by oxygen and Pyruvic acid 2 molecules are released ATP2 molecules and hydrogen 4 atoms , but NADH + H + will broadcast the hydrogen atom to acetaldehyde, a compound containing carbon 2. atom It is impossible to use the energy of the electrons in the atoms of hydrogen to generate ATP again. Thus, the glucose molecule 1 has only two ATP molecules ethyl alcohol is a poison harmful to the cell. If the ethyl alcohol, yeast can not stand and eventually death.
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