C1.1.6—Molecular motion
Molecular motion enables substrates to collide with enzyme active sites, making successful enzyme-substrate complex formation possible during catalysis in reactions.
- Syllabus
- First assessment 2025
- Objective
- C1.1.6
- Level
- HL
Concept essentials
- Substrates must collide with enzyme active sites for catalysis.
- Successful collisions can form enzyme-substrate complexes.
- Molecular motion affects how often enzyme and substrate meet.
- Immobilization does not automatically stop enzyme activity.
ConceptIB Biology HL