Biotechnology

What the syllabus asks of you

• Describe the role of anaerobic respiration in yeast during the production of ethanol for biofuels
• Describe the role of anaerobic respiration in yeast during bread-making
• Describe the use of pectinase in fruit juice production
• Investigate and describe the use of biological washing powders that contain enzymes
• Explain the use of lactase to produce lactose- free milk
• Describe how fermenters can be used for the large-scale production of useful products by bacteria and fungi, including insulin, penicillin and mycoprotein
• Describe and explain the conditions that need to be controlled in a fermenter, including: temperature, pH, oxygen, nutrient supply and waste products