Q1319. A middle-aged man presents with photosensitivity, recurrent blistering lesions over sun-exposed areas, skin fragility, and hyperpigmentation. Laboratory evaluation reveals accumulation of uroporphyrins in urine. Which of the following enzymes is defective in this condition?

Q2493. Non-Essential amino acid is -

Q2501. Which of the following enzyme is not used by liver in urea cycle ?

Q2502. Amino acid used by liver in urea cycle ?

Q2503. Hydrolysis occurs at which step of urea cycle ?

Q2504. Urea & Kreb's cycle are linked at ?

Q2505. Which will activate carbomoyl phosphate synthase I?

Q2580. Acute intermittent porphyria is due to deficiency of?

Q2583. Rate limiting enzyme in heme synthesis ?

Q2654. The primary defect which leads to sickle cell anemia is -

Q3944. Oxidative deamination is catalyzed by ?

Q3975. Major form of folic acid to transfer one carbon is ?

Q3995. Heme is which porphyrin ?

Q4002. True regarding collagen synthesis is all except ?

Q5801. In argininosuccinase deficiency, what should be supplemented to continue the urea cycle ?

Q5806. Rate limiting step in urea cycle is catalyzed by ?

Q5808. Amino acid carrying ammonia from muscle to liver?

Q5814. Not an essential amino acid ?