1. Which of the following is NOT a characteristic feature of allosteric enzymes?They are multienzyme complexesGive sigmoid shaped curveFollow Michaelis-Menton kineticsPresence of Modulator siteQuestion 1 of 20 2. Neutral amino acid isLeucineArginineLysineAspartateQuestion 2 of 20 3. insulin resistance is seen in patients with liver disease is due toimpaired insulin releasedamaged hepatocyteslow c peptide levelhepatic steatosisQuestion 3 of 20 4. Reducing sugar in urine can be detected byFehling solutionGlucose-oxidase testBenedicts testAll of the aboveQuestion 4 of 20 5. The hormone using an enzyme receptor for its actionSteroidOestrogenInsulinThyroxineQuestion 5 of 20 6. The coenzyme required for the synthesis of fatty acid synthesis isNADPHFADFADH2NADQuestion 6 of 20 7. NAD + reduced by all of following enzymes exceptSuccinyl dehydrogenaseAlpha ketoglutarate dehydrogenaseIso-citrate dehydrogenaseMalate dehydrogenaseQuestion 7 of 20 8. Most important factor which causes lactic acidosis in alcoholicsNone of the aboveFormation of acetaldehydeProduction of acetateProduction of NADHQuestion 8 of 20 9. Which of the following reaction is due to lipid peroxidationSaponificationHydrogenationSoap formationRancidityQuestion 9 of 20 10. Method to determine protein structure isX-ray crystallographyNMR spectroscopyElectrophoresisInfra red spectroscopyQuestion 10 of 20 11. In which of the following conditions the level of creatinine kinase -1 increasesBrain ischemiaElectrical cardioversionMyocardial infarctionKidney damageQuestion 11 of 20 12. The metabolite that is regarded as the dead end in glycolysis2,3- bisphosphoglyceratelactatePyruvate3-phosphoglycerateQuestion 12 of 20 13. Which of the following is not an intermediate of citric acid cycleSuccinyl CoACitratea-ketoglutarateAcetyl-CoAQuestion 13 of 20 14. Deficiency of which vitamin causes lactic acid acidosisThiaminePantothenic acidRiboflavinNiacinQuestion 14 of 20 15. True about carbamoyl phosphate synthaseCatalyses condensation reactionMitochondrial enzymeAll are trueCytosolic enzymeQuestion 15 of 20 16. fluorescence meansrelease of shorter wavelength light on absorbing light of longer wavelengthrelease of equal wavelength light at constant raterelease of longer wavelength light on absorbing light of shorter wavelengthspontaneous illumination in darkQuestion 16 of 20 17. Role of selenocystein is important inAntioxidant mechanismHydroxylation of dopamineNone of the aboveOxidation of drugsQuestion 17 of 20 18. Apart from occurring in nucleic acids, pyrimidines are also found inTheobromineTheophyllineFlavin mononucleotideThiamineQuestion 18 of 20 19. The glucose transporter which is stimulated by insulin is located inLiver and beta cells of pancreasBrain and retinaRBCs and intestineskeletal muscle and adipose tissueQuestion 19 of 20 20. True about charge in amino acidNeutral at isoelectric pHAll of the aboveAmino group can form negative chargeCarboxyl group can form positive chargeQuestion 20 of 20 Loading...