Enzymes and Holoenzymes
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Questions and Answers

What is the compound on which an enzyme acts known as?

  • Substrate (correct)
  • Activator
  • Holoenzyme
  • Cofactor
  • What is a holoenzyme composed of?

  • Activator and apoenzyme
  • Cofactor and substrate
  • Cofactor and apoenzyme (correct)
  • Activator and substrate
  • What is the specific region on an enzyme where the substrate binds called?

  • Binding site
  • Active region
  • Catalytic site
  • Active site (correct)
  • What type of energy barrier do enzymes lower to speed up reactions?

    <p>Activation energy barrier</p> Signup and view all the answers

    What is the term for the structure formed when a substrate binds to an enzyme's active site?

    <p>Enzyme-substrate complex</p> Signup and view all the answers

    Which term refers to cofactors that are small organic molecules?

    <p>Coenzymes</p> Signup and view all the answers

    According to the lock-and-key model, what does the active site of the unbound enzyme do?

    <p>Becomes complementary in shape to the substrate</p> Signup and view all the answers

    What type of specificity involves the enzyme acting on molecules with specific functional groups?

    <p>Group specificity</p> Signup and view all the answers

    What are enzymes that contain tightly bound metal ions termed?

    <p>Metalloenzymes</p> Signup and view all the answers

    Which family of enzymes assists in the breakdown of carbohydrates?

    <p>Amylases</p> Signup and view all the answers

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