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Enzymes and Digestion

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  • What does protease do?
    Breaks down proteins
    Breaks down lipase
    Breaks down carbohydrase
  • What does lipase do?
    Breaks down proteins
    Breaks down carbohydrates
    Breaks down lipids
  • Which of the following is an enzyme?
    Lipase
    Lipid
    Sugar
    Protein
  • Where is carbohydrase produced in the digestive system?
    Pancreas
    Mouth, pancreas, small intestine
    Mouth
    Liver, small intestine
  • What does denatured mean?
    The active site changes shape.
    The enzyme is bound to the substrate.
    The enzyme is destroyed.
  • What can denature an enzyme's active site?
    Changes to pH
    Changes to cells
    Changes to concentration
    Changes to light
  • What is an enzyme?
    A carbohydrate
    A biological factor
    A biological catalyst
    A lipase
  • Which enzymes do the pancreas release?
    Protease, lipase
    Protease, carbohydrase
    Protease, lipase, carbohydrase
  • Where is protease produced in the digestive system?
    Large intestine, small intestine
    Mouth, liver
    Mouth, pancreas
    Stomach, pancreas, small intestine
  • What does bile do?
    Increases pH
    Emulsifies fats to increase surface area for lipase to work
    Breaks down fats
  • What model do we describe enzymes as being like?
    Ham and cheese
    Hammer and nail
    Cat and mouse
    Lock and key
  • What does bile do?
    Neutralises pH so lipase can work at optimum pH
    Increases pH so lipase can work at optimum pH
  • Where is lipase produced in the digestive system?
    Pancreas, small intestine
    Pancreas, large intestine
    Mouth, liver
    Mouth, small intestine
  • Does food pass through the liver?
    Yes
    No
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