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: [[Fermentation]] is used generally uses yeast or [[bacteria]] which may [[Aerobic Respiration|aerobically]] or [[Anaerobic Respiration|anaerobically respire]] in our food.: Humans use [[fermentation]] to make change the flavour of food or release some of the [[nutrient]]s that otherwise could not be [[digestion|digested]].Some common food and drinks that are '''fermented'''*Bread*Yoghurt*Sauerkraut*[[Alcohol (Drug)|alcoholAlcohol]] ===Word Equation for Fermentation by Yeast==={| class="wikitable"|-|[[File:FermentationWordEquation.png|center|500px]]|-| style="height:20px; width:500px; text-align:center;" |The word equation for '''fermentation''' in [[yeast]] showing the [[reactant]]s and [[product]]s.|} ===Symbol Equation for Fermentation by Yeast==={| class="wikitable"|-|[[File:FermentationBalancedSymbolEquation.png|center|500px]] using |-| style="height:20px; width:500px; text-align:center;" |The balanced symbol equation for '''fermentation''' by [[yeast]].|} ===Extra Information==={{#ev:youtube|https: //www.youtube.com/watch?v=eksagPy5tmQ}} ==Key Stage 4=====Meaning===[[Fermentation]] is used a process in which [[micro-organism]]s are allowed to consume the [[sugar]] in a food in order to make yoghurt using change the flavour or create a new [[bacteriachemical]].