Biotechnology and genetic modification
- Biotechnology
- Why bacteria are useful
- Rapid reproduction
- Make complex molecules
- Plasmids and ethics Supplement
- Few ethical concerns
- Plasmids carry genes
- Yeast
- Anaerobic respiration
- Ethanol biofuel
- CO₂ makes bread rise
- Pectinase
- Breaks down pectin
- More, clearer juice
- Washing powders
- Protease, lipase, amylase
- Work at low temperature
- Lactase Supplement
- Lactose to glucose + galactose
- Lactose-free milk
- Fermenters Supplement
- Insulin, penicillin, mycoprotein
- Temperature, pH, oxygen
- Nutrients, waste
- Why bacteria are useful
- Genetic modification
- Definition
- Remove, change, insert genes
- Examples
- Human protein in bacteria
- Herbicide resistance
- Insect resistance
- Improved nutrition
- Making human protein Supplement
- Restriction enzymes
- Sticky ends
- DNA ligase
- Recombinant plasmid
- Bacteria multiply and express gene Supplement
- Protein made
- GM crops Supplement
- Soya, maize, rice
- Higher yield
- Gene spread risk
- Definition