4–7 B3.1.3 a) explain the mechanism of enzyme action A summary video clip about the action of enzymes such as the one could be From the Key Stage 3 Programme of including the active site, enzyme specificity and shown as an introduction to the topic. It introduces quite a lot of the key Study: factors affecting the rate of enzyme catalysed terminology so an activity could be linked to this. Enzyme simply as biological reactions, including substrate concentration, Investigating enzymes catalysts. temperature and pH The Nuffield Foundation provides comprehensive teacher, learner and There are lots of different procedures b) describe practical investigations into the effect of technician notes for investigating the effects of temperature, pH and that could be carried out to substrate concentration, temperature and pH on the concentration on enzyme activity. demonstrate the way that enzymes rate of enzyme controlled reactions work and these will cover the skills M2b, M2f, M4a, M4b, M4c required for PAG4 / PAG B3 THINKING CONCEPTUALLY PAG4 (Separate Science) / PAG B3 (Combined Other examples of practical activities to investigate the action of enzymes can Science) be found and . The GCSE Bitesize page found contains useful information about enzymes. The activity found is a good revision / consolidation of the learning on enzymes.
4–7 B3.1.3 a) explain the mechanism of enzyme action including the active site, enzyme specificity and factors affecting the rate of enzyme catalysed reactions, including substrate concentration, temperature and pH b) describe practical investigations into the effect of substrate concentration, temperature and pH on the rate of enzyme controlled reactions M2b, M2f, M4a, M4b, M4c PAG4 (Separate Science) / PAG B3 (Combined Science) A summary video clip about the action of enzymes such as the one could be shown as an introduction to the topic. It introduces quite a lot of the key terminology so an activity could be linked to this. Investigating enzymes The Nuffield Foundation provides comprehensive teacher, learner and technician notes for investigating the effects of temperature, pH and concentration on enzyme activity. THINKING CONCEPTUALLY Other examples of practical activities to investigate the action of enzymes can be found and . The GCSE Bitesize page found contains useful information about enzymes. The activity found is a good revision / consolidation of the learning on enzymes. From the Key Stage 3 Programme of Study: Enzyme simply as biological catalysts. There are lots of different procedures that could be carried out to demonstrate the way that enzymes work and these will cover the skills required for PAG4 / PAG B3