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Home Biochemistry Amino Acid Metabolism Comments

  • Question
  • A person with phenylketonuria is advised not to consume which of the following products?


  • Options
  • A. Glycine containing foods
  • B. Fat containing food
  • C. Glucose
  • D. Aspartame

  • Correct Answer
  • Aspartame 


  • Amino Acid Metabolism problems


    Search Results


    • 1. Carbon fixation requires the expenditure of ATP molecules which is generated by

    • Options
    • A. formation of glucose during the Calvin cycle
    • B. replenishment of chlorophyll
    • C. ETS (electron transfer system) during the light reactions
    • D. none of the above
    • Discuss
    • 2. The electrons that are released by the splitting of water during photosynthesis ultimately end up in

    • Options
    • A. ATP
    • B. O2
    • C. NADPH
    • D. rubisco
    • Discuss
    • 3. Which of the following is the reduced form of a temporary electron carrier molecule?

    • Options
    • A. FADH2
    • B. ATP
    • C. NADP+
    • D. CO2
    • Discuss
    • 4. As a result of the photosynthetic process, which product is formed?

    • Options
    • A. Oxygen
    • B. Water
    • C. Carbon dioxide
    • D. Both (a) and (b)
    • Discuss
    • 5. The followings are the products of the light reactions of photosynthesis except

    • Options
    • A. ATP
    • B. oxygen
    • C. NADPH
    • D. glucose
    • Discuss
    • 6. A ketogenic amino acid is one which degrades to

    • Options
    • A. keto-sugars
    • B. either acetyl CoA or acetoacetyl CoA
    • C. pyruvate or citric acid cycle intermediates
    • D. multiple intermediates including pyruvate or citric acid cycle intermediates and acetyl CoA or acetoacetyl CoA
    • Discuss
    • 7. An example of a transamination process is

    • Options
    • A. glutamate = hexanoic acid + NH3
    • B. aspartate + hexanoic acid = glutamate + oxaloacetate
    • C. aspartate + ? ketoglutarate = glutamate + oxaloacetate
    • D. glutamate = ?-ketoglutarate + NH3
    • Discuss
    • 8. Histidine is degraded to ?-ketoglutarate and is described as a

    • Options
    • A. gluco amino acid
    • B. glucogenic amino acid
    • C. ketogenic amino acid
    • D. keto-gluco amino acid
    • Discuss
    • 9. Which of the following is the best described glucogenic amino acid?

    • Options
    • A. Lysine
    • B. Tryptophan
    • C. Valine
    • D. None of these
    • Discuss
    • 10. A glucogenic amino acid is one which is degraded to

    • Options
    • A. keto-sugars
    • B. either acetyl CoA or acetoacetyl CoA
    • C. pyruvate or citric acid cycle intermediates
    • D. none of the above
    • Discuss


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