Transaminases
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Questions and Answers

Which of the following is the cofactor required by transaminases?

  • Vitamin D
  • Vitamin C
  • Vitamin B6 (correct)
  • Vitamin B12

    • Which of the following amino acids can be directly deaminated?

  • Serine (correct)
  • Glycine
  • Alanine
  • Leucine

    • What is the role of pyridoxal phosphate (PLP) in transamination?

  • It catalyzes the transfer of -NH2 groups
  • It acts as a cofactor for transaminases
  • It forms a Schiff-base link to an amino acid
  • It interconverts an amino acid and an alpha-keto acid (correct)

    • What is the mechanism by which transaminases bind pyridoxal phosphate?

    <p>Through a Schiff-base link</p> Signup and view all the answers

    What is the general specificity of transaminases for amino acids?

    <p>They accept two or more different amino acids as substrates</p> Signup and view all the answers

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