Bioenergetics
- Photosynthesis
- Equation
- CO₂ + H₂O → glucose + O₂
- Light energy
- Chloroplasts
- Endothermic
- Energy from environment
- Transferred by light
- Rate factors
- Light intensity
- CO₂ concentration
- Temperature
- Chlorophyll amount
- Limiting factors
- Rate graphs
- Plateau
- Measure oxygen / bubbles
- Interacting factors Higher tier
- Any can limit
- Two or three factors
- Inverse square law Higher tier
- Intensity ∝ 1 ÷ distance²
- Greenhouse economics Higher tier
- Heat, light, CO₂
- Profit
- Uses of glucose
- Respiration
- Starch, fat or oil
- Cellulose
- Amino acids with nitrate
- Equation
- Respiration
- Exothermic
- Always in living cells
- Energy to surroundings
- Aerobic
- Glucose + oxygen
- CO₂ + water
- Transfers more energy
- Anaerobic in muscles
- Glucose → lactic acid
- Transfers less energy
- Anaerobic in yeast and plants
- Ethanol + CO₂
- Fermentation
- Bread, alcoholic drinks
- Exercise
- Heart rate up
- Breathing rate up
- Breath volume up
- Fatigue
- Oxygen debt Higher tier
- Lactic acid to liver
- Converted to glucose
- Metabolism
- Sum of all reactions
- Glycerol + 3 fatty acids
- Amino acids to protein
- Excess protein to urea
- Exothermic