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A-LevelBiologyEnzymesOct/Nov 2019Paper 1 Q161 Mark

An experiment was carried out to compare the effect of pH on the activity of an enzyme that was in solution and the same enzyme that had been immobilised on a gel. All other variables were kept the same. The results are shown in the graph. [Figure 16.1]

AThe primary structure has changed.
BThe secondary structure has changed.
CThe tertiary structure has changed.
DThe quaternary structure has changed.

✓ Correct Answer

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

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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) Oct/Nov 2019 examination, Paper 1 Variant 2. It tests the topic of Enzymes and is worth 1 mark.

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