Protein Classification by Function Quiz
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Questions and Answers

What is the tripeptide consisting of Glycine, Serine, and Methionine?

  • Met-Ser-Gly
  • Gly-Val-Asp
  • Gly-Ser-Met (correct)
  • Ser-Gly-Met
  • Which peptide hormone increases blood glucose levels and contains Phenylalanine-Threonine?

  • Adrenaline
  • Insulin
  • Glucagon (correct)
  • Leptin
  • What is the one-letter abbreviation for the peptide Gln–Asn found in oxytocin?

  • G-N
  • Q-A (correct)
  • G-A
  • Q-N
  • Why are corn and peas considered complementary proteins?

    <p>They provide a complete set of essential amino acids when combined.</p> Signup and view all the answers

    What are the partial charges on the hydrogen atoms in N-H and O in C=O that allow hydrogen bonds to form?

    <ul> <li>on H and - on O</li> </ul> Signup and view all the answers

    How do hydrogen bonds in a β-pleated sheet differ from those in an α helix?

    <p>β-pleated sheets form between adjacent chains, while α helix forms within the same chain.</p> Signup and view all the answers

    What is the function of collagen?

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

    Which protein is needed for glucose utilization?

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

    What is the primary function of lipases?

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

    Which functional groups are present in all α-amino acids?

    <p>Carboxylate and ammonium groups</p> Signup and view all the answers

    What is the amino acid at the N-terminus in the tripeptide Pro-His-Met?

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

    In primary protein structure, which type of bonds occur?

    <p>Disulfide bonds</p> Signup and view all the answers

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