Protein Biochemistry Quiz

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Questions and Answers

What type of bonds are present in the structure of proteins?

  • Peptide bonds (correct)
  • Covalent bonds
  • Hydrogen bonds
  • Ionic bonds

What is the primary function of proteins in living organisms?

  • Store genetic information
  • Facilitate cell communication
  • Provide structural support
  • Act as biological catalysts (correct)

What characteristic of amino acids contributes to the unique properties of each amino acid?

  • Amino group
  • Melting point
  • Side chain (R group) (correct)
  • Carboxyl group

At what temperature do amino acids typically melt and decompose?

<p>Above 200°C (B)</p> Signup and view all the answers

What elements are present in protein molecules?

<p>Carbon, Hydrogen, Oxygen, Nitrogen (A)</p> Signup and view all the answers

What primarily determines the unique characteristics of different proteins?

<p>The sequence of amino acids (C)</p> Signup and view all the answers

What is a linear chain of amino acid residues called?

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

What is the primary difference between a protein and a peptide?

<p>Number of amino acid residues (D)</p> Signup and view all the answers

What determines the activity of a protein?

<p>Specific 3D structure (B)</p> Signup and view all the answers

How many standard amino acids does the genetic code typically specify?

<p>20 (C)</p> Signup and view all the answers

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