Chapter 4 / 4 short lessons
Enzymes and investigations
Explain catalysis, interpret rate changes and design a controlled enzyme investigation.
H1 Biology / 8876 / 2027 syllabus
What do you think?
An amylase mixture reaches the same endpoint in half the time. What happens to the estimate 1/time?
Lessons
0 of 4 marked as readBind, lower the barrier, release
Explain active sites, enzyme-substrate complexes, activation energy and specificity using both binding hypotheses.
About 6 minExplain an optimum, not just a peak
Explain temperature and pH effects on enzyme-catalysed rates using molecular interactions.
About 5 minWhat becomes limiting?
Explain substrate- and enzyme-concentration effects on reaction rate.
About 5 minMeasure rate and judge the evidence
Plan and interpret controlled enzyme investigations using product formation or substrate disappearance.
About 6 minWhat you will be able to do
- Connect enzyme shape to catalysis.
- Explain four factors affecting reaction rate.
- Measure rate and evaluate experimental evidence.