IB Biology HL 8.1.6 Enzyme collisions Question Bank
Practise IB Biology HL 8.1.6 by analysing how collision frequency and active-site specificity affect enzyme-catalysed reaction rates.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Explain how effective collisions depend on substrate concentration, orientation and active-site specificity.
- Distinguish broad substrate claims from the specific active-site complementarity required for catalysis.
C1.1.6—Molecular motion question 1
[Maximum number: 1]
Which statement applies to enzymes?
A
Enzyme function depends on collisions between substrate and active sites.
B
One active site typically binds to a broad range of substrates.
C
The active site on the substrate is specific to one enzyme.
D
When enzymes are immobilized they stop working.
A
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