Biochemistry - Mock Test 80

Question 791

The following enzyme of urea cycle is present in cytosol ?

A) Argininosuccinic acid synthetase B) Argininosuccinase C) Arginase D) All of these

---

No Details

Question 792

Carbamoyl phosphate required for urea synthesis is formed in?

A) Cytosol B) Mitochondria C) Both A and B D) None of these

---

No Details

Question 793

The major site of urea synthesis is?

A) Brain B) Kidneys C) Liver D) Muscles

---

No Details

Question 794

An organ which is extremely sensitive to ammonia toxicity is?

A) Liver B) Brain C) Kidney D) Heart

---

No Details

Question 795

Free ammonia is released during?

A) Oxidative deamination of glutamate B) Catabolism of purines C) Catabolism of pyrimidines D) All of these

---

No Details

Question 796

Allsoteric activator of glutamate dehydrogenase is?

A) ATP B) GTP C) ADP and GDP D) AMP and GMP

---

No Details

Question 797

Allosteric inhibitor of glutamate dehydrogenase is?

A) ATP B) ADP C) AMP D) GMP

---

No Details

Question 798

The amino acid that undergoes oxidative deamination at significant rate is?

A) Alanine B) Aspartate C) Glutamate D) Glutamine

---

No Details

Question 799

Non-Protein amino acids are?

A) Ornithine B) β-alanine C) γ-amino butyric acid D) All of these

---

No Details

Question 800

Hydroxylation of phenylalanine requires all of the following except?

A) Phenylalanine hydroxylase B) Tetrahydrobiopterin C) NADH D) Molecular oxygen

---

No Details