Protein Structure and Folding Quiz
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Questions and Answers

What is the primary force responsible for tertiary structure in proteins?

  • Van der Waals forces
  • Hydrogen bonds
  • Ionic interactions (correct)
  • Covalent bonds
  • Which protein is an example of a fibrous protein with tertiary structure imparting mechanical strength?

  • Insulin
  • Antibody (IgG)
  • Silk Fibroin (correct)
  • Hemoglobin
  • What type of interactions are involved in the quaternary structure of proteins?

  • Hydrophobic interactions and disulfide bonds (correct)
  • Ionic interactions only
  • Hydrogen bonds only
  • Covalent bonds only
  • What can disrupt the tertiary structure of a protein?

    <p>Acid, solvents, heat</p> Signup and view all the answers

    What is the role of molecular chaperones in protein renaturation?

    <p>Facilitate spontaneous folding</p> Signup and view all the answers

    What type of bonding is responsible for holding together amino acids in a peptide chain?

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

    Which statement about protein production is correct based on the text?

    <p>The covalent bonds formed during protein production determine how the protein interacts at other levels.</p> Signup and view all the answers

    What structural feature involves stretches of polypeptide chain folding into either α helices or β sheets?

    <p>Secondary structure</p> Signup and view all the answers

    Which type of bonds are responsible for forming the 2-dimensional secondary structures of proteins?

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

    What determines the three-dimensional folding of a protein in its tertiary structure?

    <p>Side chain interactions</p> Signup and view all the answers

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