UCL Transamination Practical

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1. What is solvent system I?

  • ethanol: aqueous ammonia (conc) 70:30 (oxoacids)
  • ethanol: aqueous ammonia (conc) 70:30 (amino acids)
  • ethanol: aqueous ammonia (conc) 70:20 (amino acids)
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Other questions in this quiz

2. What do transaminases have as a cofactor?

  • tightly bound phosphate which is derived from Vitamin A6
  • tightly bound pyridoxal phosphate which is derived from vitamin B6
  • loosely bound phosphate which is derived from Vitamin B6

3. Which of these is true

  • Plate I is the amino acids, Plate II is the dinitrophenyl-hydrazones of the oxoacids
  • Plate I is the dinitrophenyl-hydrazones of the oxoacids, Plate II is the amino acids

4. What is solvent system II?

  • n-butanol: ethanol: aqueous ammonia (conc) 70: 10: 20 (oxoacids)
  • ethanol: aqueous ammonia (conc) 70:30 (oxoacids)

5. What can we derive is in position 3?

  • alanine (and some left over glutamate)
  • pyruvate (and some left over glutamate)

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