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A-LevelBiologyEnzymesMay/June 2020Paper 1 Q141 Mark

Two enzymes are added to a solution containing a low concentration of a substrate that they can both use. Which statement is correct?

ABoth enzymes will use equal amounts of the substrate.
BNeither enzyme will be able to use the substrate.
CThe enzyme with the lower Vmax will use less of the substrate than the other enzyme.
DThe enzyme with the lower Vmax will use more of the substrate than the other enzyme.

✓ Correct Answer

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

📋 Examiner Report & Trap Analysis

Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

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About This A-Level Biology Question

This multiple-choice question appeared in the Cambridge A-Level Biology (9700) May/June 2020 examination, Paper 1 Variant 2. It tests the topic of Enzymes and is worth 1 mark.

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