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GCSE Combined Science · key term
Anaerobic respiration in yeast cells, which produces ethanol and carbon dioxide from glucose.
Used by AQA and Edexcel
Specification 4.4.2.1 · Paper 1
Revise: Aerobic and Anaerobic RespirationAnaerobic respiration in yeast is called fermentation. Its products make it economically important in bread-making and the manufacture of alcoholic drinks.
Specification Rates of reaction · Paper 3, Paper 4
The conversion of sugars into ethanol and carbon dioxide by enzymes in yeast under conditions without oxygen.
Revise: Rates of reactionEnzymes inside yeast cells catalyse fermentation, converting sugars into ethanol and carbon dioxide under conditions without oxygen. Ethanol is the alcohol in drinks such as beer and wine.
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