1. The metabolite that is regarded as the dead end in glycolysis2,3- bisphosphoglyceratelactatePyruvate3-phosphoglycerateQuestion 1 of 20 2. A cell membrane is damaged by insertion of a microneedle. Repair of the membrane occurs byProtein interactionsan active process requiring hydrolysis of ATPHydrophobic interactionsrequires enzymatic actionQuestion 2 of 20 3. the most common enzyme deficiency in man ishexokinaseglucose 6 phosphataseglucose 1,6 diphosphataseGlucose 6 phosphate dehydrogenaseQuestion 3 of 20 4. Serotonin derived fromHistidineTryptophanAlanineAsparginineQuestion 4 of 20 5. Watson crick model is for which DNAA DNAC DNAZ DNAB DNAQuestion 5 of 20 6. Sphingomyelinase deficiency is seen inFarber's diseaseNiemann-Pick diseaseTay Sach's diseaseKrabbe's diseaseQuestion 6 of 20 7. Transport proteins areGlobular proteinsThreaded proteinsBulky proteinsFibrous proteinsQuestion 7 of 20 8. Rate limiting step in HMP shunt6phophogluconolactone to 6 phophogluconateGlucose -6-phosphate to 6phosphogluconolactoneRibulose-5-phosphate to Xylulose-5-phosphate6-phosphogluconate to ribulose-5-phosphateQuestion 8 of 20 9. The protein rich in basic amino acids, which functions in the packaging of DNA in chromosomes, isCollagenHistoneFibrinogenhyaluronic acid binding proteinQuestion 9 of 20 10. Both vit K and Vit C are involved inPost translational modificationThe microsomal hydroxylation reactionsAntioxidant mechanismsThe synthesis of clotting factorsQuestion 10 of 20 11. In Ecoli, Arthur Kornberg found which enzymeFatty acid synthaseDNA polymeraseGlucose 6 phosphate dehydrogenaseTopoisomeraseQuestion 11 of 20 12. which base is not found in DNAadenineguaninecytosineuracilQuestion 12 of 20 13. replacing alanine by which amino acid will increase UV absorption of protein at 280um wavelengthtryptophanarginineprolineleucineQuestion 13 of 20 14. In sickle cell anaemia, the defect can be explained as having arisen fromA base insertion in DNANone of the aboveA base deletion in DNAA base substitution in DNAQuestion 14 of 20 15. 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 15 of 20 16. Apo-E deficiency is seen inType-III hypolipoproteinemiaType-IV hypolipoproteinemiaType-II hypolipoproteinemiaType-I hypolipoproteinemiaQuestion 16 of 20 17. Iodine pump is stimulated byInhibition of Na+-K+ pumpConcentration of TSHMonovalent anionMetabolic toxinQuestion 17 of 20 18. Glycogen synthase is activated byEpinophrineInsulinGlucagonAMPQuestion 18 of 20 19. The aminoacid required for the synthesis of haem isGlutamineGlutamic acidLysineGlycineQuestion 19 of 20 20. DNA amplification is done inPCRNASBA (Nucleic acid sequential based amplification)Ligase chain reactionsDNA sequencingQuestion 20 of 20 Loading...
