Cambridge AS & A Level Biology
3.2Factors that affect enzyme action
Factors that affect enzyme action in Cambridge AS & A Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic40 practice questions2 lessons
Learning objectives
What the syllabus expects you to be able to do.
- 3.2.1Investigate and explain the effects of temperature, pH (with buffers), enzyme, substrate and inhibitor concentration on rate.
- 3.2.2Explain how Vmax is used to derive Km and how Km compares enzymes' affinity for their substrates.
- 3.2.3Explain the effects of competitive and non-competitive reversible inhibitors.
- 3.2.4Compare enzymes immobilised in alginate with free enzymes and state the advantages of immobilisation.
Lessons
- Full access
Enzyme inhibitors, Vmax, Km and immobilised enzymes
40 min
- Full access
Factors affecting enzyme activity
35 min
Join to read every lesson, or see what Full access includes.
Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Factors that affect enzyme action into a strength.
Practise with instant marking, see your mastery grow and get a study plan built around your exam date.