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    Food Preparation and Nutrition GCSE

    Biological Fermentation

    What Biological Fermentation means in Food Preparation and Nutrition GCSE, as defined for AQA.

    Definition of Biological Fermentation

    Investigation into the metabolic activity of Saccharomyces cerevisiae. Candidates must evaluate the enzymatic breakdown of starch into maltose and glucose, and the subsequent conversion into ethanol and CO2 under controlled thermal and anaerobic conditions.
    AQA · Food science

    Topics that use Biological Fermentation

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    Using Biological Fermentation in the exam

    Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.

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