Discussion
Home ‣ Biochemistry ‣ Amino Acid Metabolism Comments
- Question
Which of the following amino acids is considered as both ketogenic and glucogenic?
Options- A. Valine
- B. Tryptophan
- C. Lysine
- D. None of these
- Correct Answer
- Tryptophan
- 1. In the normal breakdown of phenylalanine, it is initially degraded to
Options- A. fumarate
- B. tyrosine
- C. lysine
- D. phenylpuruvate Discuss
- 2. A person with phenylketonuria cannot convert
Options- A. phenylalanine to tyrosine
- B. phenylalanine to isoleucine
- C. phenol into ketones
- D. phenylalanine to lysine Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. Transaminase enzymes are present in
Options- A. liver
- B. pancreas
- C. intestine
- D. none of these Discuss
- 7. An example of the oxidative deamination is
Options- A. glutamate = hexanoic acid + NH3
- B. aspartate + ?-ketoglutarate = glutamate + oxaloacetate
- C. glutamate = ?-ketoglutarate + NH3
- D. aspartate + hexanoic acid = glutamate + Oxaloacetate Discuss
- 8. Oxidative deamination is the conversion of an amino
Options- A. group from an amino acid to a keto acid
- B. acid to a carboxylic acid plus ammonia
- C. acid to a keto acid plus ammonia
- D. group from an amino acid to a carboxylic acid Discuss
- 9. Tyrosine is degraded to acetoacetyl CoA and fumarate and is described as a
Options- A. glucogenic amino acid
- B. ketogenic amino acid
- C. ketogenic and glucogenic amino acid
- D. keto-gluco amino acid Discuss
- 10. The most toxic compounds is
Options- A. tyrosine
- B. phenylpyruvate
- C. lysine
- D. phenylalanine Discuss
Amino Acid Metabolism problems
Search Results
Correct Answer: tyrosine
Correct Answer: phenylalanine to tyrosine
Correct Answer: ketogenic amino acid
Correct Answer: ?-amino group is removed from the amino acid
Correct Answer: phenylpyruvate
Correct Answer: liver
Correct Answer: glutamate = ?-ketoglutarate + NH3
Correct Answer: acid to a keto acid plus ammonia
Correct Answer: ketogenic and glucogenic amino acid
Correct Answer: phenylpyruvate
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