Proteins: Structure and Denaturation Quiz
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Questions and Answers

Which type of bond is responsible for stabilizing the primary structure of a protein?

  • Peptide bond (correct)
  • Hydrogen bond
  • Disulfide bond
  • Ionic interaction
  • What is the main difference between denaturation and degradation of proteins?

  • Denaturation affects the secondary structure, while degradation affects the tertiary structure.
  • Denaturation disrupts the quaternary structure, while degradation breaks disulfide bonds.
  • Denaturation unfolds the protein without affecting the primary structure, while degradation breaks down the primary structure. (correct)
  • Denaturation affects the primary structure, while degradation affects the secondary structure.
  • Which enzyme adds a phosphate group to a compound?

  • Phosphatase
  • Hydroxylase
  • Phosphorylase
  • Kinase (correct)
  • What is the common suffix for most enzymes that are proteins?

    <p>-ase</p> Signup and view all the answers

    Which molecule forms a hairpin, single-stranded structure with self-complementary sequences?

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

    What is the composition of a nucleoside?

    <p>Sugar and nitrogenous base</p> Signup and view all the answers

    Which molecule contains a phosphate group on the 2' carbon and follows Chargaff’s rule?

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

    Which structure is formed by the polymer of ribonucleotides linked 3’ to 5’ by phosphodiester bonds?

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

    Which molecule's presence does not follow Chargaff’s rule, and lacks oxygen group on the 1st carbon?

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

    Which nucleotide reveals the presence of single, double, or triple phosphorylated forms?

    <p>(deoxy)Adenosine monophosphate (AMP)</p> Signup and view all the answers

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