BRAINCAKEExam-Style Question 3
A scientist investigated the effect of an inhibitor on an enzyme-controlled reaction.
She measured the initial rate of reaction at different substrate concentrations, with and without the inhibitor. The concentration of the enzyme and of the inhibitor were kept the same throughout.
Her results are shown in the table.
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Key terms in this lesson
- active site
- The region of an enzyme, formed by the tertiary structure, with a shape complementary to its substrate, where the substrate binds.
- enzyme-substrate complex
- The temporary structure formed when a substrate binds to the active site of an enzyme.