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A-LevelBiologyEnzymesFeb/Mar 2017Paper 2 Q311 Marks

Catalase is an enzyme that catalyses the breakdown of hydrogen peroxide, a toxic waste product of metabolism. 2H2O2 catalase 2H2O + O2 Fig. 3.1 shows the results of an investigation into the effect of hydrogen peroxide concentration on the rate of the catalase-controlled reaction, with and without the presence of two different inhibitors. [Figure 3.1]

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About This A-Level Biology Question

This structured question appeared in the Cambridge A-Level Biology (9700) Feb/Mar 2017 examination, Paper 2 Variant 2. It tests the topic of Enzymes and is worth 11 marks.

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