Bioloy unit 2 revision 0.0 / 5 ? BiologyEnzymes and digestionGCSEAQA Created by: dawsonfreyaCreated on: 26-02-17 17:59 What is a catalyst? A catalyst is a subtance that increases the speed of a reaction,without being changed or used up in the reaction 1 of 5 What is meant by the optimum pH of an enzyme? The optimum pH is the pH which the enzyme works best 2 of 5 What is the function of digestive enymes? They break down big molecules into smaller ones 3 of 5 Which enzyme digests? Proteases break down protiens, and lipases break down liquids 4 of 5 vhgh mkkm 5 of 5
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