MODEL
Competitive or noncompetitive?
Change substrate and inhibitor strength to compare rate curves.
Model
42.9 rate units
Vmax: 100. Apparent Km: 40.
More substrate can overcome competitive inhibition at sufficiently high concentration. Vmax is unchanged.
Steady-state teaching model. Inhibitor strength represents [I]/Ki. Pure non-competitive inhibition is a special case; mixed inhibition can also change Km.
Explain what you observed
Can extra substrate overcome pure noncompetitive inhibition?
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Read a related learning guide →Practise Enzymes →Open the student notes folder ↗Concepts and sources
Curriculum connections: 6.4. Selected concepts.
Read the supporting source ↗PMDC curriculum ↗Questions and explanations are original teaching material; these are not official exam questions.