How microorgasnisms produce ethnaol by fermentation and first of all what is meaning of fermentation in this situation because fermentation process is used in bakerys.

Fermentationis a metabolic process that converts sugar to acids, gases or alcohol.

Thechemical equationbelow shows the alcoholic fermentation ofglucose, whosechemical formulais C6H12O6. One glucose molecule is converted into twoethanolmolecules and twocarbon dioxidemolecules:

C6H12O6→ 2 C2H5OH + 2 CO2

C2H5OH is thechemical formulaforethanol.