Use of biological resources
- Crop plants
- Glasshouses
- Warmth
- Extra light
- Extra CO₂
- Pest protection
- Limiting factors
- CO₂
- Temperature
- Enzymes denature
- Fertilisers
- Nitrates
- Faster growth
- Higher yield
- Pesticides
- Kill pests fast
- Non-target harm
- Resistance
- Biological control
- No chemicals
- Slower
- May become pest
- Glasshouses
- Micro-organisms and fish
- Yeast and bread
- Anaerobic respiration
- CO₂ makes dough rise
- Ethanol evaporates
- Yeast practical
- Oil layer
- Water bath
- Count bubbles
- Yoghurt
- Lactobacillus
- Lactose to lactic acid
- Milk thickens
- Industrial fermenter
- Aseptic
- Nutrients
- Temperature and pH
- Oxygen and stirring
- Yeast and bread
- Selective breeding and GM
- Selective breeding
- Choose best parents
- Repeat many generations
- Plants and animals
- Impact of selective breeding
- Higher yield
- Less genetic variation
- Inbreeding
- Restriction enzyme cuts DNA
- Specific site
- Sticky ends
- Ligase joins DNA
- Recombinant DNA
- Vectors
- Plasmids
- Viruses
- Transgenic
- Gene between species
- Insulin from bacteria
- Recombinant plasmid
- Fermenter
- Extract and purify
- GM plants
- Bt toxin
- Higher yield
- Concerns
- Selective breeding