Types of Amylase and Their Functions
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Types of Amylase and Their Functions

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Questions and Answers

What is the primary function of catalase in the antioxidant defense system?

  • To neutralize hydrogen peroxide (H₂O₂) by breaking it down into water and oxygen (correct)
  • To denature the enzyme at extreme pH values
  • To generate hydrogen peroxide (H₂O₂) during normal cellular metabolism
  • To regulate gene expression at the transcriptional level

    • What is the effect of extreme pH values on catalase activity?

  • It maintains the optimal temperature for catalase function
  • It has no effect on catalase activity
  • It increases the rate of catalase activity
  • It denatures the enzyme, affecting its activity (correct)

    • What is the relationship between temperature and catalase activity?

  • As temperature increases, catalase activity remains constant
  • As temperature increases, catalase activity increases, but only up to a point (correct)
  • Catalase activity is not affected by temperature
  • As temperature increases, catalase activity decreases

    • What is the role of cis-elements in the promoters of amylase genes?

    <p>To regulate plant development, maturation, and responses to environmental stresses</p> Signup and view all the answers

    What is the optimal temperature range for catalase activity?

    <p>37°C to 40°C</p> Signup and view all the answers

    What is the result of catalase denaturation at high temperatures?

    <p>A decrease in catalase activity</p> Signup and view all the answers

    What is the role of regulatory elements in catalase gene expression?

    <p>To respond to specific signals and stressors</p> Signup and view all the answers

    What is the effect of oxidative damage on cellular components?

    <p>It can damage proteins, lipids, and DNA</p> Signup and view all the answers

    What is the significance of catalase in diseases associated with oxidative stress?

    <p>It plays a critical role in preventing oxidative damage</p> Signup and view all the answers

    What is the product of catalase breaking down hydrogen peroxide?

    <p>Water (H₂O) and oxygen (O₂)</p> Signup and view all the answers

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