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AP Bio Enzymes
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  • Question 1
    60 seconds
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    Q. What is a substance called if it speeds up a chemical reaction?
    answer choices
    reusable
    catalyst
    specific
    fragile
  • Question 2
    45 seconds
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    Q. With what 3 letters do enzymes typically end?
    answer choices
    -ose
    -ase
    -ese
    -tic
  • Question 3
    60 seconds
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    Q.

    Enzymes are an example of

    answer choices

    Lipids

    Carbohydrate

    Protein

    Nucleic Acid

  • Question 4
    30 seconds
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    Q.

    Most chemical reactions in the body rely on enzymes. Why are enzymes are necessary for many cellular reactions?

    answer choices

    The reactions are too slow to meet the needs of the cell if enzymes are missing

    The reactions take up too much space in the cell if enzymes are missing

    Enzymes change reactants from solid to liquid during the reactions.

    Enzymes supply the oxygen necessary for the reactions.

  • Question 5
    30 seconds
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    Q.

    The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in almost every chemical reaction in the body. Which of the following describes the connection between these two statements?

    answer choices

    The body is kept relatively warm to prevent too much enzyme action.

    The body needs to be warm to prevent hypothermia.

    Enzymes function best at a specific temperature.

    There is no connection between the two statements.

  • Question 6
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    Q. Any substance that is acted upon by an enzyme is called a(n)?
    answer choices
    Coenzyme
    Substrate
    Vitamin
    Polypeptide
  • Question 7
    60 seconds
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    Q. What happens when enzymes are heated to a high temperature?
    answer choices
    The enzymes die.
    The shapes of the enzyme are altered denature
    The enzymes' amino acid sequence changes.
    The enzymes remain the same
  • Question 8
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    Q. Where do substrates bind on an enzyme?
    answer choices
    voltage-gated channels
    surface receptor
    calcium channels
    active site
  • Question 9
    120 seconds
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    Q. Which of the following conclusions can be drawn from this graph?
    answer choices
    The optimum pH of the enzyme is 6.6.
    The optimum pH of the enzyme is 5.8
    The enzyme’s activity increases as pH increases 5.0 to 9.0
    The enzyme’s activity is greater around pH of 8.0 .
  • Question 10
    60 seconds
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    Q. Based on the graph, what is the optimal temperature for this enzyme? 
    answer choices
    15oC
    40oC
    30oC
    35oC
  • Question 11
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    Q.

    The amount of energy needed for a reaction to occur is called the _________?

    answer
    activation energy
  • Question 12
    30 seconds
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    Q.

    What does an enzyme do?

    answer choices

    Decreases the activation energy of a reaction

    Increases the activation energy of a reaction

    Does not change the activation energy of a reaction

    Makes the reaction last longer

  • Question 13
    30 seconds
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    Q.

    How does an enzymes shape relate to its function?

    answer choices

    the shape of the enzyme has no relation to its function

    the enzyme is shaped specially for certain substrates to perform a specific reaction

    the enzyme shape acts as a receptor to certain products

    the enzyme shape can fit into specific substrates to cease a reaction

  • Question 14
    30 seconds
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    Q.

    What's going on in this picture?

    answer choices

    The enzyme is taking the red substrate and turning it blue

    The enzyme's active site is blocked by a competitive inhibitor

    The enzyme can't function if too many substrates are trying to bind

    This is an example of an anabolic enzyme reaction

  • Question 15
    30 seconds
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    Q.

    An activor or inhibitor binding place that is not the active site, causing the enzyme to change conformation (shape) is an example of ...

    answer choices

    competative inhibition

    allosteric control

    optimum conditions

    induced fit

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