O-LevelBiologyEnzymes5090/11 · Oct/Nov 2022 · Q61 Mark
The diagram shows the effect of temperature on the rate of an enzyme-controlled reaction. What is the explanation for the part of the graph labelled X?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AThe temperature is dropping.
BThe substrate is starting to run out.
CThe enzyme is becoming denatured.
DThe enzyme is starting to run out.
✓ Correct answer
C: The enzyme is becoming denatured.
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