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

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

<p>Simple proteins (D)</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 (B)</p> Signup and view all the answers

What is the characteristic of globular proteins?

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

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

<p>Conjugated protein (C)</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 (A)</p> Signup and view all the answers

What is the characteristic of mucoproteins?

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

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

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

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

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

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

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

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

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

What type of protein is composed only of amino acids?

<p>Simple protein (A)</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 (C)</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 (A)</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 (D)</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 (D)</p> Signup and view all the answers

What is a characteristic of globular proteins?

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

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

<p>Conjugated protein (C)</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 (B)</p> Signup and view all the answers

What is the function of proteins as transporters?

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

What is the characteristic of fibrous proteins?

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

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

<p>Lipoprotein (B)</p> Signup and view all the answers

What is a function of proteins in maintaining water distribution?

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

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

<p>Glycoprotein (B)</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 (A)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser