Enzymes
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Questions and Answers

What is the effect of exposing enzymes to very high temperature?

  • It has no effect on the enzyme structure
  • It causes denaturation, an irreversible process (correct)
  • It enhances the enzyme activity
  • It leads to the formation of new bonds in the enzyme

    • Why is the specific shape of enzymes important for their function?

  • It accelerates the denaturation process
  • It allows the enzyme to work at any temperature
  • It prevents the enzyme from interacting with the substrate
  • It ensures the substrate will fit into the active site (correct)

    • What happens if the pH deviates significantly from the optimum pH for an enzyme?

  • The enzyme will denature, causing a loss of activity (correct)
  • The enzyme will change its shape to adapt
  • The enzyme will become more efficient
  • The enzyme will catalyze reactions at a faster rate

    • What does amylase enzyme digest starch into?

    <p>Maltose, a disaccharide of glucose</p> Signup and view all the answers

    What is the role of enzymes in living organisms?

    <p>Enzymes maintain reaction speeds of metabolic reactions to sustain life</p> Signup and view all the answers

    What is the relationship between enzymes and substrates?

    <p>Enzymes have specific active sites that bind with complementary substrates</p> Signup and view all the answers

    What happens to the products after a reaction occurs in the enzyme's active site?

    <p>The products leave the enzyme's active site as they no longer fit</p> Signup and view all the answers

    How do enzymes and substrates move about in solution?

    <p>Enzymes and substrates randomly move about in solution</p> Signup and view all the answers

    What is the role of enzymes in metabolic reactions?

    <p>To maintain reaction speeds at a rate that can sustain life</p> Signup and view all the answers

    What is the relationship between the shape of the active site and the substrate?

    <p>The shape of the active site is complementary to the 3-D shape of the substrate</p> Signup and view all the answers

    What occurs when the substrate moves into the enzyme's active site?

    <p>They form the enzymes-substrate complex</p> Signup and view all the answers

    What happens to the products after a reaction occurs in the enzyme's active site?

    <p>They leave the enzyme's active site as they no longer fit</p> Signup and view all the answers

    How do enzymes and substrates move about in solution?

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

    What is the effect of exposing enzymes to very high temperature?

    <p>It causes the bonds in the enzyme to break, known as denaturation</p> Signup and view all the answers

    What is the optimum pH for most enzymes?

    <p>pH 7</p> Signup and view all the answers

    What is the role of iodine solution in testing for starch?

    <p>It turns blue-black in the presence of starch</p> Signup and view all the answers

    What is the irreversible effect of denaturation on enzymes?

    <p>It alters the enzyme's shape and leads to loss of function</p> Signup and view all the answers

    What is the function of amylase enzyme?

    <p>To digest starch into maltose</p> Signup and view all the answers

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