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Protein Tertiary Structure Bonds
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Protein Tertiary Structure Bonds

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Questions and Answers

Which type of structure does haemoglobin have?

  • Quaternary structure (correct)
  • Primary structure
  • Tertiary structure
  • Secondary structure
  • What type of bonds hold the four globin subunits of haemoglobin together?

  • Hydrogen bonds
  • Disulphide bonds (correct)
  • Peptide bonds
  • Ionic bonds
  • What happens when base substitution results in the amino acid valine replacing glutamic acid in haemoglobin?

  • Haemoglobin becomes less soluble (correct)
  • Haemoglobin becomes more soluble
  • There is no change in solubility
  • Haemoglobin stops carrying oxygen
  • What type of ion does the prosthetic haem group of haemoglobin contain?

    <p>Iron II ion (Fe2+)</p> Signup and view all the answers

    What type of bonds are found within tertiary structured proteins?

    <p>Strong covalent</p> Signup and view all the answers

    What are the interactions that determine the shape and function of a protein?

    <p>Van der Waals interactions</p> Signup and view all the answers

    Which level of protein structure involves hydrogen bonds between the R groups?

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

    What is the three-dimensional configuration that forms as a result of interactions between R groups in a polypeptide chain?

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

    What type of bond forms between the R groups of amino acids in the tertiary structure of a protein?

    <p>Disulphide bond</p> Signup and view all the answers

    In which protein structure does the formation of subunits occur?

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

    What type of bond occurs only between cysteine amino acids in a protein's structure?

    <p>Disulphide bond</p> Signup and view all the answers

    Which type of interaction occurs between non-polar R groups in the tertiary structure of a protein?

    <p>Weak hydrophobic interactions</p> Signup and view all the answers

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