Clinical Chemistry: Proteins & Non-Protein Compounds

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Questions and Answers

What is the primary function of antibodies in the body?

  • To accelerate chemical reactions
  • To protect against foreign invaders (correct)
  • To provide structural support to tissues
  • To facilitate hormone function

What is the role of collagen in the body?

  • To facilitate hormone function
  • To protect against foreign invaders
  • To accelerate chemical reactions
  • To provide structural support to tissues (correct)

What is the function of enzymes in the body?

  • To protect against foreign invaders
  • To accelerate chemical reactions (correct)
  • To facilitate hormone function
  • To provide structural support to tissues

Which type of protein is responsible for receiving hormonal messages?

<p>Cellular proteins (C)</p> Signup and view all the answers

What is the result of protein degradation?

<p>Formation of ammonia (B)</p> Signup and view all the answers

Which organ is responsible for synthesizing most plasma proteins?

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

What is the characteristic of globular proteins?

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

What type of protein has a lipid prosthetic group?

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

What is one of the protein functions involving energy production?

<p>Breaking down into amino acids for energy production (A)</p> Signup and view all the answers

What type of protein has a carbohydrate content of more than 40%?

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

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

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

What is the function of proteins in transporting molecules in circulation?

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

What percentage of nitrogen do proteins consist of?

<p>16% (D)</p> Signup and view all the answers

What type of bonds are formed between CO and NH groups of the peptide bonds in the secondary structure?

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

What is the term for the specific sequence of amino acids in a polypeptide chain?

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

What type of proteins are composed only of amino acids?

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

What type of interactions are involved in the tertiary structure of a protein?

<p>Disulfide linkages, hydrogen bonds, hydrophobic interactions, and van der Waals forces (C)</p> Signup and view all the answers

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