A-LevelBiologyEnzymesMay/June 2013Paper 1 Q151 Mark
When investigating the rate of reaction of the enzyme lipase on the hydrolysis of triglycerides, the pH must be maintained at an optimum to prevent the lipase denaturing. What is the reason for this?
AThe addition of water molecules produced by hydrolysis increases pH.
BThe products of hydrolysis decrease the pH.
CThe products of hydrolysis increase the pH.
DThe removal of water molecules used in hydrolysis decreases pH.
✓ Correct Answer
The correct answer is B. 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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