Discussion
Home ‣ Biochemistry ‣ Amino Acid Metabolism Comments
- Question
A person with phenylketonuria will convert
Options- A. phenylalanine to phenylpyruvate
- B. phenylalanine to isoleucine
- C. phenylpyruvate to phenylalanine
- D. tyrosine to phenylalanine
- Correct Answer
- phenylalanine to phenylpyruvate
- 1. Transamination is the transfer of an amino
Options- A. acid to a carboxylic acid plus ammonia
- B. group from an amino acid to a keto acid
- C. acid to a keto acid plus ammonia
- D. group from an amino acid to a carboxylic acid Discuss
- 2. A best described ketogenic amino acid is
Options- A. lysine
- B. tryptophan
- C. valine
- D. none of these Discuss
- 3. 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
- 4. Which of the following is the best described glucogenic amino acid?
Options- A. Lysine
- B. Tryptophan
- C. Valine
- D. None of these Discuss
- 5. 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
- 6. A person suffering from phenylketonuria on consumption food containing high phenylalanine may lead to the accumulation of
Options- A. phenylalanine
- B. phenylpyruvate
- C. tyrosine
- D. isoleucine Discuss
- 7. Transamination is the process where
Options- A. carboxyl group is transferred from amino acid
- B. ?-amino group is removed from the amino acid
- C. polymerisation of amino acid takes place
- D. none of the above Discuss
- 8. Lysine is degraded to acetoacetyl CoA and is described as a
Options- A. ketogenic amino acid
- B. glucogenic amino acid
- C. keto-gluco amino acid
- D. none of these Discuss
- 9. A person with phenylketonuria cannot convert
Options- A. phenylalanine to tyrosine
- B. phenylalanine to isoleucine
- C. phenol into ketones
- D. phenylalanine to lysine Discuss
- 10. In the normal breakdown of phenylalanine, it is initially degraded to
Options- A. fumarate
- B. tyrosine
- C. lysine
- D. phenylpuruvate Discuss
Amino Acid Metabolism problems
Search Results
Correct Answer: group from an amino acid to a keto acid
Correct Answer: lysine
Correct Answer: pyruvate or citric acid cycle intermediates
Correct Answer: Valine
Correct Answer: glucogenic amino acid
Correct Answer: phenylpyruvate
Correct Answer: ?-amino group is removed from the amino acid
Correct Answer: ketogenic amino acid
Correct Answer: phenylalanine to tyrosine
Correct Answer: tyrosine
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