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GCSE Enzymes and Molecules

Quiz by Gary

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20 questions
Show answers
  • Q1
    What best describes the composition of Starch and Glycogen?
    Long chains of Glucose
    Long chains of Sugar
    Long Chains of Amino Acids
    Long Chains of Vitamin A
    30s
  • Q2
    What do fats consist of?
    Fatty acids and Glucose
    Glycogen and Fatty Acids
    Glycerol and Glucose
    Fatty Acids and Glycerol
    30s
  • Q3
    What are proteins built from?
    Starch
    Amino Acids
    Glucose
    Amacids
    30s
  • Q4
    When Starch or Glycogen is broken down (digested) what is formed?
    Glycerol
    Amino Acids
    Fatty Acids
    Glucose (simple sugar)
    30s
  • Q5
    When are the products of digesting protein?
    Amylopectin
    Amino acids
    Amacids
    Glucose
    30s
  • Q6
    Enzymes are often called:
    Biological catalyst
    Glue catalysts
    Mineral catalysts
    Optimal catalysts
    30s
  • Q7
    When a substance ends in -ase it is an enzyme.
    True
    False
    30s
  • Q8
    What best describes what a substrate is?
    Enzyme
    Products
    Reactants
    Active site
    30s
  • Q9
    What is the name of the site where the substrate fits into the enzyme?
    Building site
    what a site
    Reaction Site
    Active site
    30s
  • Q10
    What would happen to an enzyme if you boiled it before adding it to its substrate?
    Work faster
    Optimum temperature
    Denature
    Dies
    30s
  • Q11
    What occurs when an enzyme denatures?
    The active site changes shape
    The enzyme dies
    The enzyme speeds up
    The enzyme becomes inhibited
    30s
  • Q12
    What name is given to the temperature at which an enzyme reaction rate is the quickest?
    Optimum temperature
    Denatured temperature
    Good temperature
    Sub-optimum temperature
    30s
  • Q13
    The name given to the pH at which an enzymes rate of reaction is the highest is called the Optimum pH
    False
    True
    30s
  • Q14
    Amylase is an enzyme which breaks down proteins.
    True
    False
    30s
  • Q15
    Protease is an enzyme which breaks down proteins.
    True
    False
    30s

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