learning outcomes 

1. Describe the role of anaerobic respiration in yeast during the production of ethanol for biofuels 

2. Describe the role of anaerobic respiration in yeast during bread-making 

3. Describe the use of pectinase in fruit juice production 

4. Investigate and describe the use of biological washing powders that contain enzymes 

5. Explain the use of lactase to produce lactose-free milk 

6. Describe how fermenters can be used for the large-scale production of useful products by bacteria 

   and fungi, including insulin, penicillin and mycoprotein 

7.  Describe and explain the conditions that need to be controlled in a fermenter, including: temperature,     pH, oxygen, nutrient supply and waste products