What you’ll learn7 learning objectivesChoose one objective for a focused lesson, or study the complete topic.21.2.1Role of anaerobic respiration in yeast• Describe the role of anaerobic respiration in yeast during the production of ethanol for biofuelsSyllabus objective21.2.2Role of anaerobic respiration in yeast• Describe the role of anaerobic respiration in yeast during bread-makingSyllabus objective21.2.3Use of pectinase in fruit juice• Describe the use of pectinase in fruit juice productionSyllabus objective21.2.4Use of biological washing powders that• Investigate and describe the use of biological washing powders that contain enzymesSyllabus objective21.2.5Use of lactase to produce lactose-• Explain the use of lactase to produce lactose- free milkSyllabus objective21.2.6Fermenters can be used• Describe how fermenters can be used for the large-scale production of useful products by bacteria and fungi, including insulin, penicillin and mycoproteinSyllabus objective21.2.7Conditions that need to be controlled• Describe and explain the conditions that need to be controlled in a fermenter, including: temperature, pH, oxygen, nutrient supply and waste productsSyllabus objective