1. A common feature of all serine proteases isCleavage of protein on the carboxyl site of serine residuesTight binding of pancreatic trypsin inhibitorPresence of Ser-His-Asp catalytic triad at the active siteAutocatalytic activation of zymogen precursorQuestion 1 of 20 2. At physiologic pH, which of these amino acids have a positive charge? IsoleucineAspartic acidValineArginineQuestion 2 of 20 3. Amino acid which can be used in both gluconeogenesis and ketogenesisArginineThreonineValineTyrosineQuestion 3 of 20 4. An example of a preventive antioxidant isUrateTocopherolSupeoxide dismutaseCatalaseQuestion 4 of 20 5. Neutral amino acid isLeucineArginineAspartateLysineQuestion 5 of 20 6. Skinfold thickness test is used forFatSkin allergy testProteinsCarbohydrateQuestion 6 of 20 7. The best source of potassium isDried fruitsRed meatMilkWhole grainsQuestion 7 of 20 8. Sphingomyelinase deficiency is seen inKrabbe's diseaseNiemann-Pick diseaseTay Sach's diseaseFarber's diseaseQuestion 8 of 20 9. DNA amplification is done inLigase chain reactionsDNA sequencingNASBA (Nucleic acid sequential based amplification)PCRQuestion 9 of 20 10. True about denatured proteinsPrimary structure of amino acid sequence is disruptedSoluble in waterPeptide bonds are hydrolysedBiologically inactiveQuestion 10 of 20 11. Steroidal hormones are synthesised inCell membraneCytosolMitochondriaNucleusQuestion 11 of 20 12. Both ketogenic and glucogenic amino acid isArginineIsoleucineleucineGlycineQuestion 12 of 20 13. Xeroderma pigmentation is caused due to a group of closely related abnormalities inSOS repairNucleotide excision repairMismatch pairBase excision repairQuestion 13 of 20 14. Imidazole ring is present inTyrosineArginineHistidineTryptophanQuestion 14 of 20 15. serum creatinine is most accurately measured byjaffe methodenzyme immunoassayplasma gel filtrationkinematic jaffe techniqueQuestion 15 of 20 16. In malate shuttle,NADH produces how many ATPs11.522.5Question 16 of 20 17. Ubiquitin is involved inElectron transport chainTransport of ATPProtein foldingIntracellular proteolysisQuestion 17 of 20 18. Serotonin derived fromHistidineTryptophanAsparginineAlanineQuestion 18 of 20 19. Thermostability in DNA is contributed mostly byMolecular baseG=CParallel arrangementA=TQuestion 19 of 20 20. Which one of the following enzymes provides a link between glycolysis and the citric acid cyclePyruvate dehydrogenaseCitrate synthasePyruvate kinaseLactate dehydrogenaseQuestion 20 of 20 Loading...
