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    Combined Science GCSE

    Effect of pH on enzyme activity

    What Effect of pH on enzyme activity means in Combined Science GCSE, as defined for AQA.

    Definition of Effect of pH on enzyme activity

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    A pH close to the enzyme's optimum gives the shortest time and fastest rate, while extremes of pH slow the reaction because the enzyme is denatured.
    AQA · The human digestive system (study guide)

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