Enzymes: 

• Describe the digestive system and how it works as an organ system (from KS3)
• Describe basic features of enzymes (inc rate calculations for chemical reactions)
• Describe the lock and key theory as a model of enzyme action and explain how the shape a of the active sites makes the enzyme specific
• Explain the effect of temperature and pH on enzymes
• Describe the digestive enzymes, including their names, sites of production and actions
• Describe how the products of digestion are used
• Describe the features and functions of bile and state where it is produced and released from
• Required practical activity 4: use qualitative reagents to test for a range of carbohydrates, lipids and protein
• Required practical 5: investigate the effect of pH on the rate of reaction of amylase enzyme