Protein Basics and Functions
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Questions and Answers

What role do proteins play in transporting substances within the body?

  • They act as storage molecules for nutrients.
  • They provide structural support to cells.
  • They facilitate the movement of molecules across membranes. (correct)
  • They serve as a primary source of energy.
  • Which of the following is NOT a function of proteins?

  • Enzyme activity.
  • Regulatory roles.
  • Structural support.
  • Storage of genetic information. (correct)
  • Which type of protein is an example of a hormone?

  • Actin
  • Cerezyme
  • Insulin (correct)
  • Amylase
  • What was significant about Cerezyme in the context of proteins?

    <p>It was the first recombinant protein to be mass produced.</p> Signup and view all the answers

    Which of the following biological molecules is made up of amino acids?

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

    What is the primary level of protein organization focused on?

    <p>The sequence of amino acids in the polypeptide chain</p> Signup and view all the answers

    Which type of bonding is primarily involved in secondary protein structure?

    <p>Hydrogen bonds</p> Signup and view all the answers

    Which statement accurately describes quaternary protein structure?

    <p>It comprises more than one polypeptide subunit</p> Signup and view all the answers

    What is a primary function of proteins related to regulatory roles?

    <p>Signaling between cells</p> Signup and view all the answers

    Which of the following is NOT a structural feature associated with tertiary protein structure?

    <p>Peptide bonds</p> Signup and view all the answers

    Study Notes

    Protein Basics

    • Proteins are composed of amino acids.
    • Protein functions are diverse, including regulation, structural support, and transport.
    • The exact number of protein functions is substantial and not fully understood.
    • To understand their functions, protein structure is crucial.

    Examples of Purified Proteins

    • Enzymes: catalyze reactions; examples include amylases, proteases, and lipases.
    • Genzyme manufactures various enzymes.
    • Hormones influence bodily functions.
    • Antibodies fight off infections.
    • Cerezyme was a significant early recombinant protein produced on a large scale.

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    Description

    This quiz explores the fundamental aspects of proteins, including their composition, diverse functions, and the importance of their structure. You'll learn about various purified proteins such as enzymes, hormones, and antibodies, along with their roles in biological processes.

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