A-LevelBiologyEnzymesOct/Nov 2016Paper 1 Q141 Mark
The graph shows the results of an investigation into the effect of amylase on starch at three different temperatures. Which statements are correct conclusions using these results? 1 The optimum temperature is 50°C. 2 The initial rate of reaction is highest at 70°C. 3 The higher the temperature the more quickly the enzyme denatures. [Figure 14.1]
A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only
✓ 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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