Clinical Chemistry: Proteins & Non-Protein Compounds
29 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

What is the percentage of nitrogen content in proteins?

  • 12%
  • 18%
  • 16% (correct)
  • 20%

    • What type of bond is formed between the carboxyl group of one amino acid and the amino group of another amino acid?

  • Disulfide bond
  • Van der Waals force
  • Peptide bond (correct)
  • Hydrogen bond

    • Which level of protein structure involves the formation of alpha helixes and beta sheets?

  • Secondary structure (correct)
  • Tertiary structure
  • Quaternary structure
  • Primary structure

    • What is the term for the end of a protein structure with a free carboxyl group?

    <p>C-terminal</p> Signup and view all the answers

    What is the classification of proteins that are composed only of amino acids?

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

    What is the term for the interactions between the R groups of amino acids that form a three-dimensional structure?

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

    What is the characteristic of globular proteins?

    <p>Symmetrical, compactly folded polypeptide chains</p> Signup and view all the answers

    Which type of protein is composed of a protein and a nonprotein component?

    <p>Conjugated protein</p> Signup and view all the answers

    What is one of the functions of proteins in energy production?

    <p>Breaking down into amino acids for the citric acid cycle</p> Signup and view all the answers

    What is the characteristic of mucoproteins?

    <p>Protein with &gt;40% carbohydrates attached</p> Signup and view all the answers

    What is one of the functions of proteins as a transporter?

    <p>Binding to hormones, free hemoglobin, lipids, and other molecules</p> Signup and view all the answers

    What is the function of the ionizable R groups of amino acids in proteins?

    <p>Buffering capacity</p> Signup and view all the answers

    What type of bond links amino acids together in a protein?

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

    Which level of protein structure involves the sequence of amino acids?

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

    What is the characteristic of proteins that distinguishes them from carbohydrates and lipids?

    <p>High nitrogen content</p> Signup and view all the answers

    What type of protein is composed only of amino acids?

    <p>Simple protein</p> Signup and view all the answers

    What is the term for the end of a protein structure with a free amino group?

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

    At which level of protein structure do hydrogen bonds form between CO and NH groups?

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

    What type of interactions occur between the R groups of amino acids in tertiary structure?

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

    What is the level of protein structure that involves the interactions of multiple polypeptide chains?

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

    What is a characteristic of globular proteins?

    <p>Symmetrical and compactly folded polypeptide chains</p> Signup and view all the answers

    Which type of protein is composed of a protein and a nonprotein component?

    <p>Conjugated protein</p> Signup and view all the answers

    What is a function of proteins in energy production?

    <p>Breaking down into amino acids to produce energy</p> Signup and view all the answers

    What is the function of proteins as transporters?

    <p>Binding to molecules for transportation</p> Signup and view all the answers

    What is the characteristic of fibrous proteins?

    <p>Elongated and asymmetrical polypeptide chains</p> Signup and view all the answers

    What is the term for proteins with a lipid prosthetic group?

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

    What is a function of proteins in maintaining water distribution?

    <p>Maintaining the colloidal osmotic pressure</p> Signup and view all the answers

    Which type of protein has a carbohydrate content of 10-40%?

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

    What is a function of proteins as a buffer?

    <p>Buffering capacity by binding or releasing H+ ions</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser