AQA GCSE Biology (8461) — Biological Organisation
Describe the digestive system as an organ system for digestion and absorption.
Relate enzyme activity to metabolism and environmental factors like temperature and pH.
Use the 'lock and key' theory to explain enzyme action.
Recall the sites of production and action for amylase, proteases, and lipases.
Describe the breakdown of carbohydrates, proteins, and lipids into simple sugars, amino acids, and fatty acids/glycerol.
Explain the role of bile in neutralising stomach acid and emulsifying fats.
Perform qualitative tests for carbohydrates, lipids, and proteins.
Investigate the effect of pH on the rate of reaction of amylase.
