1. All of the following enzymes are regulated by calcium or calmodulin exceptGuanylyl cyclaseHexokinaseGlycogen synthaseAdenylate cyclaseQuestion 1 of 20 2. Single base pair substitution is related toRFLPPCRSouthern blotFISHQuestion 2 of 20 3. one of the following is not a precursor of adrenalineisoprenalinephenylalaninedopaminenor adrenalineQuestion 3 of 20 4. Vitamin A toxicity causesWernickes encephalopathyNight blindnessIncreased intracranial pressureDecreased intracranial pressureQuestion 4 of 20 5. Biotin is required for the activity ofPyruvate carboxylasePhosphohexose isomeraseSuccinate thiokinaseLactate dehydrogenaseQuestion 5 of 20 6. Why citric acid cycle called amphibolic pathwayMetabolites are utilised in other pathwaysIt can proceed both in forward and backward directionSame enzymes can be used in reverse directionsBoth exergonic and endergonic reactions takes placeQuestion 6 of 20 7. for glucose estimation in blood the mode of transport from a PHC to lab issodium fluoridesodium citratepotassium oxalate and NAFEDTAQuestion 7 of 20 8. keratin is aCylindrical proteinsNone of the aboveFibrous proteinsGlobular proteinsQuestion 8 of 20 9. Which of the following process in a vector is used to increase the yield of protein produced in recombinant protein synthesisTranslation and Transcription inhibitionPromoter inductionOrigin of ReplicationTranslation InitiationQuestion 9 of 20 10. Krebs cycle does not occur inAll of the aboveHeartRBCMuscleQuestion 10 of 20 11. carboxylation of clotting factors by vit K is required t be biologically active.which of the following amino acid is carboxylatedhistidineaspartatehistamineglutamateQuestion 11 of 20 12. Imidazole ring is present inArginineTyrosineTryptophanHistidineQuestion 12 of 20 13. Which vitamin deficiency leads to collagen breakdownVit B1Vit EVit AVit CQuestion 13 of 20 14. Which of the following enzyme doesnot catalyse irreversible step in glycolysisPhosphoglycerate kinasePyruvate kinaseHexokinasePhosphofructokinaseQuestion 14 of 20 15. In glycolysis ATP is produced by the following enzymeHexokinasePhosphohexose isomeraseEnolasePhosphoglycerate kinaseQuestion 15 of 20 16. Which of the following enzyme is needed for the synthesis of a short nucleotide sequence of RNA from DNADNA topoisomerase 1DNA ligasePrimaseHelicaseQuestion 16 of 20 17. Fructose 2-6 bisphosphate regulates glycolysis at the level ofGlyceraldehyde 3 phosphatePhosphoenol pyruvateGlucose 6 phosphateFructose 6 phosphateQuestion 17 of 20 18. First protein to be broken down for energy in prolonged starvation is fromSkeletal muscleLiverSmooth muscleKidneyQuestion 18 of 20 19. Gout is a disorder ofPurine metabolismPyrimidine metabolismOxalate metabolismProtein metabolismQuestion 19 of 20 20. golgi bodies are responsible forlipid and steroid synthesismodification and sorting of lycoproteinsformation of glycoproteins onlysynthesis of polypeptidesQuestion 20 of 20 Loading...