Biologically Active Oligopeptides in Protein Chemistry
20 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which amino acid disrupts the α-helix due to its imino group being incompatible with the right-handed spiral?

  • Isoleucine
  • Tryptophan
  • Proline (correct)
  • Valine
  • What is the structure formed when polypeptide chains line up side by side to form sheets of molecules?

  • β-pleated sheet (correct)
  • Collagen helix
  • α-helix
  • Coiled-coil structure
  • What is the major force stabilizing the helical structure of proteins?

  • Ionic interactions
  • Hydrophobic interactions
  • Covalent cross-linkages
  • Hydrogen bonds (correct)
  • Which interaction type results from negatively charged carboxyl groups interacting with positively charged groups, such as the ε-amino of lysine?

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

    What refers to how protein subunits interact with each other and arrange to form one macromolecule?

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

    Which structure is defined as the sequence of amino acids in a protein?

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

    Which hormone causes the contraction of the smooth muscles of the uterus?

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

    Which protein structure results from hydrogen bonds between repeating constituents of the polypeptide backbone?

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

    What is the chemically named tripeptide that functions as an antioxidant?

    <p>Glutathione (GSH)</p> Signup and view all the answers

    Which hormone causes constriction of peripheral blood vessels leading to a rise in blood pressure?

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

    Which type of structure results from hydrogen bonds between repeating constituents of the polypeptide backbone?

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

    What is the chemically named tripeptide that functions as an antioxidant?

    <p>Glutathione (GSH)</p> Signup and view all the answers

    What hormone causes constriction of peripheral blood vessels leading to a rise in blood pressure?

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

    Which amino acid disrupts the α-helix due to its imino group being incompatible with the right-handed spiral?

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

    What is the sequence of amino acids in a protein called?

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

    What is the major force stabilizing the helical structure of proteins?

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

    Which amino acid disrupts the α-helix due to its imino group being incompatible with the right-handed spiral?

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

    What structure results from hydrogen bonds between repeating constituents of the polypeptide backbone?

    <p>β-pleated sheet</p> Signup and view all the answers

    Which type of interactions result from negatively charged carboxyl groups interacting with positively charged groups, such as the ε-amino of lysine?

    <p>Ionic interactions</p> Signup and view all the answers

    What refers to the overall three-dimensional shape of an entire protein molecule?

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

    More Like This

    Protein Chemistry Quiz
    4 questions
    Protein Chemistry Quiz
    3 questions

    Protein Chemistry Quiz

    BrightestThunderstorm avatar
    BrightestThunderstorm
    Protein Chemistry Flashcards
    14 questions

    Protein Chemistry Flashcards

    ResponsiveKazoo9793 avatar
    ResponsiveKazoo9793
    Protein and Amino Acid Chemistry
    20 questions
    Use Quizgecko on...
    Browser
    Browser