Section C

• Key Lock


  Specific, not every key fits the same lock
• Stomach


  • Work fastest at optimum temperature/pH
• Enzyme


  • Can be denatured by changes in temperature/pH
• Substrates


  Number of substrates that can bind to the active site
• Active Site


  Specific pocket where substrates bind
• Enzymes


  • Biological catalysts, speed up chemical reactions, not dead, irreversible, can be denatured by too much heat
• Proteins


  Colder temperatures are slower, warmer temperatures are faster
• Substrate


  Not always an enzyme
• Increasing temperature


  Speeds up the rate of reaction
• Enzymes


  Usually end in -ase
• Enzymes


  Complementary to their substrates, bind to them
• Enzymes


  • Amylase, maltase, protease, carbohydrases, lipases
• Enzymes


  Biological catalysts that speed up biological reactions
• Enzymes are found in cells and tissues
• Enzymes are specific, each one can only catalyse one specific reaction