Proteins and Their Functions Quiz
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Questions and Answers

Which of the following roles do proteins NOT serve in the body?

  • Structural
  • Catalytic
  • Thermal insulation (correct)
  • Transport

    • What indicates a negative nitrogen balance in a patient?

  • Stable protein metabolism
  • Nitrogen intake equals nitrogen output
  • More nitrogen is lost than gained (correct)
  • More nitrogen is gained than lost

    • What is the daily protein requirement for healthy adults?

  • 200 g
  • 100 g (correct)
  • 50 g
  • 300 g

    • Which enzyme is classified as an endopeptidase?

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

    Which essential amino acid is missing from maize protein?

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

    What is the role of hydrochloric acid in protein digestion?

    <p>To denature dietary proteins</p> Signup and view all the answers

    Proteolytic enzymes are secreted in which form?

    <p>Inactive zymogen form</p> Signup and view all the answers

    What is the half-renewal time for proteins in the body?

    <p>80 days</p> Signup and view all the answers

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