Protein Tertiary Structure and Interactions Quiz
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Protein Tertiary Structure and Interactions Quiz

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@ComplementaryTensor

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Questions and Answers

Which type of interaction is most likely responsible for the disruption of the tertiary structure of a protein by heavy metal ions?

  • Hydrophobic interactions
  • Covalent bonds
  • Hydrogen bonds
  • Salt bridges and coordinate bonds (correct)
  • What is the primary mechanism by which chaotropic agents like urea and guanidine denature proteins?

  • Disrupting hydrophobic interactions
  • Altering the hydrogen-bonding network of water (correct)
  • Breaking covalent bonds
  • Forming coordinate bonds with the protein
  • Which post-translational modification is most likely to serve as a membrane anchor for a protein?

  • N-glycosylation
  • Myristoylation (correct)
  • Phosphorylation
  • O-glycosylation
  • Which of the following is the LEAST likely to disrupt the tertiary structure of a protein?

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

    Which post-translational modification is most likely to be found on secreted or membrane proteins?

    <p>O-glycosylation</p> Signup and view all the answers

    Which type of oligomeric protein is formed by multiple, identical polypeptide chains?

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

    How does proteolytic cleavage of a proprotein contribute to the function of the mature protein?

    <p>It targets the mature protein to a specific organelle</p> Signup and view all the answers

    Which post-translational modification is most likely to involve the covalent attachment of a fatty acid to a protein?

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

    Which type of oligomeric protein is most likely to exhibit cooperative binding behavior?

    <p>Homomeric proteins</p> Signup and view all the answers

    Which post-translational modification is most likely to involve the covalent attachment of a carbohydrate moiety to a protein?

    <p>N-glycosylation</p> Signup and view all the answers

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