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A-LevelBiologyEnzymesMay/June 2021Paper 5 Q118 Marks

The enzyme catalase catalyses the reaction shown in Fig. 1.1. catalase hydrogen peroxide → water + oxygen [Figure 1.1] A student had read that copper(II) sulfate can act as an inhibitor, reducing the activity of catalase. The student wanted to investigate the effect of copper(II) sulfate as an inhibitor on the activity of catalase to test the hypothesis: The higher the concentration of the inhibitor copper(II) sulfate, the lower the volume of oxygen produced in the presence of catalase.

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The correct answer is . This question tests the candidate's understanding of enzymes within the Biologysyllabus. The examiner's mark scheme requires...

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About This A-Level Biology Question

This structured question appeared in the Cambridge A-Level Biology (9700) May/June 2021 examination, Paper 5 Variant 2. It tests the topic of Enzymes and is worth 18 marks.

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