Medicinal Biochemistry- Metabolism of Amino acids & urea cycle

Which of the following is not a salient feature of transamination.

• In this transfer of amine group occurs

• Removal of amino group as ammonia

• PLP is essential for Transamination

• Helps in synthesis of non-essential amino acids

Transamination & Deamination are collectively called as

• transdeaminafion

• Detransamination

• Both A & B

• None of the above

Which of the following amino acid is called as Collection centre' for amino groups

• Tryptophan

• Serine

• Aspartate

• Glutamate

Which of the following activates Glutamate Dehydrogenase (GDH)

• ATP & GTP

• GDP & ADP

• Thyroid hormone

• Steroidal hormones

Vitamin B6 & Vitamin B2 plays an important role in which of the following Metabolic reactions of Amino acids

• Oxidative deamination &

  Transamination

• Transamination

  &

  Oxidative deamination

• Non- Oxidative deamination

  &

  Transamination

• Transamination

  &

  Non- Oxidative deamination

Histidine upon non-oxidative deamination yields

• Urocanate

• Pyruvate

• Both A & B

• None of the above

Which of the following characteristics are NOT true in Urea cycle

• urea cycle occurs only in liver

• Urea cycle happens only in Cytoplasm

• Urea cycle requires only 5 enzymes

• Urea cycle happens with only 5 reactions

Urea cycle is also known as

• Krebs-Henseleit cyde

• Krebs cycle

• Henseleit cycle

• None of the above

Urea has two amino (-NH) groups, one derived from NH3 and the other from

• Glutamate

• Tryptophan

• Arginine

• aspartate

Name the amino acid which undergoes Oxidative deamination process

• Serine

• Arginine

• Aspartate

• Glutamate