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A-LevelBiologyEnzymes9700/12 · Oct/Nov 2016 · 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]

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A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only

✓ Correct answer

D: 2 and 3 only

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About this question

Topic
Enzymes, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, Oct/Nov 2016 Paper 1 Variant 2, question 14.

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