Protein Peptide Bond Formation
12 Questions
0 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

What is the nature of the peptide bond in terms of electron delocalization?

  • It has full single bond character.
  • It has no bond character at all.
  • It exhibits triple bond character.
  • It possesses partial double bond character. (correct)
  • Where does a protein's polypeptide sequence typically begin and end?

  • C=O group to NH group
  • NH group to C=O group (correct)
  • Carboxylate group to amino group
  • Amino group to carbonyl carbon
  • In a peptide bond, which atoms are involved in bond formation?

  • Carbon and hydrogen
  • Carbonyl carbon and amino nitrogen (correct)
  • Nitrogen and sulfur
  • Hydrogen and oxygen
  • Which end of a protein is typically more likely to have positively charged amino acids?

    <p>Left end (N-terminus)</p> Signup and view all the answers

    How are the physical and chemical properties of proteins determined?

    <p>By the number and sequence of amino acids present</p> Signup and view all the answers

    How is the size of a polypeptide typically expressed?

    <p>In terms of molecular weight (Daltons or kilodaltons)</p> Signup and view all the answers

    What is the primary factor that determines the physical and chemical properties of a protein?

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

    Which statement about the peptide bond is true?

    <p>The peptide bond is a single bond with partial double bond character, preventing free rotation</p> Signup and view all the answers

    What is the direction of the dipole moment in a polypeptide backbone?

    <p>The dipole moment points towards the N terminus</p> Signup and view all the answers

    Which amino acids are more likely to be found near the negative end of the dipole moment in a polypeptide chain?

    <p>Basic amino acids</p> Signup and view all the answers

    What is the molecular weight of a protein expressed in?

    <p>Daltons or kilodaltons</p> Signup and view all the answers

    What is the primary difference between an oligopeptide and a polypeptide?

    <p>An oligopeptide has a shorter polypeptide chain than a polypeptide</p> Signup and view all the answers

    More Like This

    Protein Synthesis and Signal Peptide Quiz
    20 questions
    Chemical Bonds in Amino Acids
    5 questions

    Chemical Bonds in Amino Acids

    ExtraordinaryNobelium avatar
    ExtraordinaryNobelium
    Use Quizgecko on...
    Browser
    Browser