1. Pyruvate kinase is inhibited byAll of the aboveFructose-1,6 biphosphateATPInsulinQuestion 1 of 20 2. fluorescence meansrelease of longer wavelength light on absorbing light of shorter wavelengthrelease of shorter wavelength light on absorbing light of longer wavelengthrelease of equal wavelength light at constant ratespontaneous illumination in darkQuestion 2 of 20 3. Muscle cannot make use of glycogen for energy because of deficiency ofMuscle phosphorylateGlucokinasePhosphoglucomutaseG-6 phosphataseQuestion 3 of 20 4. Force not acting in an enzyme substrate complexHydrogenCovalentElectrostaticVan der wallsQuestion 4 of 20 5. Acetyl Co A carboxylase enzyme is present inMitochondriaLysosomeBoth cytosol and mitochondriaCytosolQuestion 5 of 20 6. The two fragments of DNA are separated byPaper chromatographyHigh speed centrifugationThin layer chromatographyGel chromatographyQuestion 6 of 20 7. Rate limiting step in urea cycle is catalysed byArginaseCarbamoyl-phosphate synthaseOrnithine transcarbamylaseArgininosuccinaseQuestion 7 of 20 8. Which of the following is a true statement regarding enzymesCompetitive inhibition shows increased Km, unchanged Vmax Non competitiive inhibition shows unchanged Km,unchanged VmaxCompetitive inhibition shows unchnaged Km,unchanged VmaxNon competitive inhibition shows increased Km, unchanged VmaxQuestion 8 of 20 9. Inhibition of glycolysis in presence of oxygen is calledBohr effectPasteur effectBenedict phenomenonKerbs effectQuestion 9 of 20 10. to which of the following family of chemical mediators of inflammation the lipoxins belongarachidonic acid metaboliteskinin systemcytokineschemokinesQuestion 10 of 20 11. Fatty acid elongation occurs in which part of cellCytosolLysosomeNucleusMitochondriaQuestion 11 of 20 12. The protein rich in basic amino acids, which functions in the packaging of DNA in chromosomes, isFibrinogenCollagenHistonehyaluronic acid binding proteinQuestion 12 of 20 13. Increased level of lipoprotein (a) predisposes toAtherosclerosisNephrotic syndromeLiver cirrhosisPancreatitisQuestion 13 of 20 14. All of the following cell types contain the enzyme telomerase which protects the length of telomeres at the end of chromosomes exceptHemopoeticTumorGerminalSomaticQuestion 14 of 20 15. Differential expression of same gene depending on parent of origin is referred to asAnticipationGenomic ImprintingNon penetranceMosaicismQuestion 15 of 20 16. Which is not a step of PCRAnnealingExtensionTransformationDenaturationQuestion 16 of 20 17. All are caused by amino acid deficiency exceptHomocysteinemiagalactosemiaalkaptonuriaphenylketonuriaQuestion 17 of 20 18. The reducing equivalents for fatty acid synthesis are derived fromUrea cyclePentose phosphate pathwayKreb's cycleGlycolysisQuestion 18 of 20 19. starting material for production of insulin from bacteria isgenomic DNA from beta pancreatic cells of humanmRNA from lymphocytes of humanmRNA from beta pancreatic cells of humangenomic DNA from lymphocytes of humanQuestion 19 of 20 20. Which of the following is considered the active form of calciumProtein bound CalciumAlbumin bound calciumPhosphate bound calciumIonised calciumQuestion 20 of 20 Loading...