Enzymes
Enzymes
- Biological catalystsProteinsNot changedSpeed up reactions
- Needed to sustain lifeAll metabolic reactionsRate fast enough
- Active siteComplementary shapeSubstrate to products
- Enzyme-substrate complex and specificitySupplementSubstrate bindsOne substrate onlyShape and fit
- TemperatureOptimum temperatureDenatured above optimum
- pHOptimum pHDenatured at extremes
- Explaining temperature and pHSupplementKinetic energyEffective collisionsShape and fit lost
- Investigating amylaseIodine testWater bathTime to end pointRate = 1000 ÷ time