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General Biology: Enzymes and Their Functions
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General Biology: Enzymes and Their Functions

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Questions and Answers

Which type of biomolecule are enzymes primarily composed of?

  • Carbohydrates
  • Proteins (correct)
  • Nucleic acids
  • Lipids
  • What is the main function of enzymes in cellular reactions?

  • Speeding up chemical reactions (correct)
  • Regulating body temperature
  • Neutralizing toxins
  • Storing genetic information
  • Which type of enzyme is responsible for unraveling DNA?

  • Helicase (correct)
  • Oxidoreductase
  • Ligase
  • Isomerase
  • What is the function of amylase in the body?

    <p>Converting starches to sugars</p> Signup and view all the answers

    Which enzyme aids in the digestion of fats in the gut?

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

    Where are enzymes produced to aid in the digestion of food?

    <p>Salivary glands</p> Signup and view all the answers

    What is the role of enzymes in biochemical reactions?

    <p>Kick start the biochemical reactions by lowering the activation energy</p> Signup and view all the answers

    How does high temperature affect enzyme activity?

    <p>It decreases enzyme activity by denaturing the enzymes</p> Signup and view all the answers

    What is denaturation of an enzyme?

    <p>The alteration of the shape of the enzyme, preventing substrate binding</p> Signup and view all the answers

    What is the effect of an increase in pH level on enzyme activity?

    <p>It decreases enzyme activity by causing denaturation</p> Signup and view all the answers

    What is the function of enzyme inhibitors?

    <p>To slow down or stop enzymatic reactions</p> Signup and view all the answers

    What is the role of competitive inhibitors?

    <p>They prevent attachment of the partner substrate to the active site</p> Signup and view all the answers

    What did Dutch chemist G.J. Mulder first describe about proteins?

    <p>He coined the term 'protein' from a Greek word</p> Signup and view all the answers

    What are amino acids composed of?

    <p>'Amino' and 'Carboxyl' functional groups, Carbon, Hydrogen, Oxygen, Nitrogen, Sulphur, and Phosphorus</p> Signup and view all the answers

    What are proteins composed of?

    <p>Many amino acids</p> Signup and view all the answers

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