Enzymes
- Created by: Abbey_B
- Created on: 24-03-18 17:36
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- Enzymes
- Intracellular
- E.g. Catalase
- Inside the cell
- Extracellular
- E.g. Amylase
- E.g. Trypsin
- Outside the cell
- Anabolic
- Build more complex molecules
- Catabolic
- Breakdown bigger molecules
- Lock and Key Model
- Active site is rigid - exact fit
- Enzyme-substrate complex
- Reaction occurs and products seperate
- Induced Fit Model
- Active Site is not rigid
- Substrate can change the shape of active site
- Enzyme-substrate complex
- Activation Energy
- Amount of energy needed for a reaction to occur
- Enzymes provide an alternative pathway
- Reactions can occur at low temperatures
- Cofactors
- Function
- Prosthetic groups are a type of cofactor
- Temporary association
- Physical Factors
- Temperature
- Substrate Concentration
- pH
- Enzyme Concentration
- Investigating Rates
- Catalase
- Reaction rate using oxygen
- Volume of oxygen divided by time taken
- Intracellular
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