CAIE A-Level Biology 3.1.3 Enzyme Action Hypotheses
Practise comparing lock-and-key with induced fit through active-site complementarity, conformational change and annotated diagrams.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- AS
Exam points
- compare fixed complementarity in lock-and-key with active-site change during induced fit
- annotate enzyme–substrate diagrams to show binding, catalysis and product release
- distinguish reversible conformational change from permanent enzyme denaturation
