Amino Acids and Ninhydrin Reactions
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Questions and Answers

Which color complex is formed when amino acids react with ninhydrin?

  • Purple (correct)
  • Pink
  • Blue
  • Yellow

    • Which group of amino acids produce a brown color when reacting with ninhydrin?

  • Amino acids with hydroxyl group
  • Amino acids with carboxyl group
  • Amino acids with sulfhydryl group
  • Amino acids with amide group (correct)

    • What color complex is formed when proline and hydroxyproline react with ninhydrin?

  • Blue
  • Pink
  • Yellow (correct)
  • Purple

    • Which type of bonds are required for the Biuret reaction to occur?

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

    What is the purpose of the ninhydrin reaction in chromatography?

    <p>To estimate the quantity of amino acids</p> Signup and view all the answers

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