BiologyCode 5090
Biotechnology
What this topic asks you to be able to do
- account for the part yeast plays in making bread and ethanol
- appreciate that bacteria prove valuable across biotechnology and genetic modification, since they multiply quickly and can manufacture intricate molecules
- Discuss the reasons bacteria are useful in genetic modification and biotechnology, limited to: they contain plasmids, and growing and manipulating them raises no ethical concerns
- Describe how bacteria and fungi in fermenters can make useful products on a large scale, including which conditions must be controlled, limited to: temperature, pH, oxygen, nutrient supply and waste products
- Describe how enzymes are used in biological washing powders, how pectinase is used to produce fruit juice and how lactase is used to make lactose-free milk