Inhibitors slow enzyme reactions by competitively blocking the active site or non-competitively distorting it, both hindering enzyme-substrate complex formation.
Inhibitors reduce enzyme activity by either competitively binding to the active site or non-competitively binding elsewhere to distort the active site, both preventing enzyme-substrate complex formation.
| Front | Explain how inhibitors affect the rate of enzyme-controlled reactions. (6 marks) |
|---|---|
| Back | Competitive Similarity of shape of inhibitor and substrate; Inhibitor can enter/bind with active site (of enzyme); Non-competitive Affect/bind to enzyme other than at active site; Distorts shape of active site; Inhibitors Prevent entry of/binding of substrate to active site; Therefore fewer/no enzyme-substrate complexes formed; |
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