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CAIE A-Level Biology 3.2.2 Maximum Rate and Michaelis–Menten Constant

Practise reading Vmax from a kinetic plateau, finding Km at half Vmax with units and interpreting a lower Km as higher affinity without assuming a higher Vmax.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • read Vmax from the plateau after confirming the graph axes and rate units
  • locate half Vmax and project to the substrate axis to obtain Km with units
  • interpret lower Km as higher substrate affinity without equating it automatically with higher Vmax

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