Revision lesson on enzymes. AQA Unit 2 Additional Biology. What are enzymes and what do they do?. Enzymes are- Protein molecules (made up of amino acids) Biological catalysts (Increase the speed of chemical reactions) Specific (Each one catalyses one particular reaction)
AQA Unit 2 Additional Biology
e.g. digestion of starch by the enzyme amylase into glucose.
e.g. production of glucose during photosynthesis from carbon dioxide, water and light.
Answer Qu 8- 11 on your worksheet
Complete Qu 12- 17on worksheet.