Protein Classification Quiz
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Questions and Answers

How are amino acids obtained?

  • Amino acids are extracted from plants.
  • Amino acids are synthesized in the body.
  • Amino acids are obtained from protein by acid, alkali or enzymatic hydrolysis. (correct)
  • Amino acids are extracted from animal sources.

    • What is the definition of amino acids?

  • Amino acids are the structural units of fats.
  • Amino acids are the structural units of proteins. (correct)
  • Amino acids are the structural units of carbohydrates.
  • Amino acids are the structural units of nucleic acids.

    • How are amino acids classified based on chemical properties?

  • Amino acids are classified as acidic, basic, and neutral. (correct)
  • Amino acids are classified as glucogenic and ketogenic.
  • Amino acids are classified as polar and non-polar.
  • Amino acids are classified as essential and non-essential.

    • What is the general structure of amino acids?

    <p>Amino acids have a carboxyl group, an amino group, and a side chain.</p> Signup and view all the answers

    How are amino acids classified based on nutritional requirements?

    <p>Amino acids are classified as essential and non-essential.</p> Signup and view all the answers

    How are amino acids classified based on metabolic pathways?

    <p>Amino acids are classified as glucogenic and ketogenic.</p> Signup and view all the answers

    What is the general structure of proteins?

    <p>Polymers of amino acids connected by peptide bonds</p> Signup and view all the answers

    Which of the following is NOT a characteristic of the amino acid structure in proteins?

    <p>Consists of only carbon and hydrogen atoms</p> Signup and view all the answers

    What is the term used to describe the two ends of a polypeptide chain in a protein?

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

    Which of the following is NOT a biological importance of proteins?

    <p>Formation of carbohydrates</p> Signup and view all the answers

    Which classification of amino acids includes those that can be converted to both carbohydrates and ketone bodies?

    <p>Mixed glucogenic and ketogenic amino acids</p> Signup and view all the answers

    How many amino acids are considered pure ketogenic?

    <p>2</p> Signup and view all the answers

    Which of the following is a type of glycoprotein?

    <p>Hormones (FSH, LH)</p> Signup and view all the answers

    What is the primary function of lipoproteins?

    <p>Lipid transport in blood</p> Signup and view all the answers

    Which of the following is a type of derived protein?

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

    What is the primary function of chromoproteins?

    <p>Pigment production</p> Signup and view all the answers

    Which of the following is a type of phosphoprotein?

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

    What is the primary difference between primary and secondary protein derivatives?

    <p>Primary derivatives are products of protein hydrolysis, while secondary derivatives are products of protein denaturation</p> Signup and view all the answers

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