1. Brain damage in phenylketonuria is due to accumulation of none Tryptophan Phenylalanine Tyrosine 2. ketones cannot be utilised by heart skeletal muscle RBCs brain 3. embryonic hemoglobin is mainly composed of alpha and gamma chains alpha and delta chains alpha and beta chains zeta and epsilon chains 4. Xylitol is a natural five carbon sugar Natural sweet amino acid Synthetic sweet amino acid synthetic five carbon sugar 5. The ground substance of the extracellular matrix is made up of Proteoglycan molecules Type II collagen Fibrillin Type III collagen 6. Rate limiting step in urea cycle is catalysed by Carbamoyl-phosphate synthase Ornithine transcarbamylase Argininosuccinase Arginase 7. “Classical phenyl ketonuria” is caused by deficiency of Phenylalanine transaminase Tyrosine hydroxylase Tyrosine transaminase Phenylalanine hydroxylase 8. fireflies produces light due to GTP phosphocreatine ATP NADH 9. Methionine is synthesised from Histidine Cysteine Arginine Glycine 10. Which of the following serves as a principal source of carbon for nonessential amino acids fats carbohydrates urea water 11. Edman’s reagent is 1-fluoro-2,4-dinitrobenzene Cynogen bromide Phenyl-isocyanate 2-4 dinitrophenol 12. Citrate synthesase is inhibited by Glucagon ADP ATP Insulin 13. Pyruvate dehydrogenase requires all cofactors except Pyridoxin Niacin Thiamin Riboflavin 14. which of the following is seen in association with membrane raft spectrin associated protein mannose binding protein glycosylphosphatidylinositol anchored protein guanosine triphosphate associated protein 15. Lactate is formed in all except Testis Brain Lens RBCs 16. which of the following reactions does not convert hydrophobic into hydrophilic groups acetylation glucoronidation hydroxylation methylation 17. Thermogenin is present in- Ribosome Nucleus Cytoplasm Mitochondria 18. Citrullinemia is due to deficiency of Arginosuccinate lyase CPS-1 Arginosuccinate synthase Arginase 19. Which of the following techniques can be used for exact localisation of a genetic locus comparative genomic hybridization western blot chromosome painting FISH 20. Hopkin Cole test is performed on proteins to detect the presence of Guanidine group Imidazole group Indole group Phenolic group Loading … Question 1 of 20
