1. Which of the following enzyme is needed for the synthesis of a short nucleotide sequence of RNA from DNADNA ligasePrimaseHelicaseDNA topoisomerase 1Question 1 of 20 2. increased levels of alanine in serum after fasting suggestsdecreased uptake of alanine by liverbreak in continuity of plasma membrane resulting in leakage of aminoacidsreduced aminoacid utilisation for gluconeogenesisincreased release of alanine from muscleQuestion 2 of 20 3. True about polymerase chain reaction isSeparation of protein fragments in serumRecombinant DNA amplificationEnzymatic DNA amplificationNoneQuestion 3 of 20 4. which of the following enzymes is common to the synthesis of cholesterol and ketone bodiesThiokinaseHMG Co A LyaseHMG Co A synthaseHMG Co A reductaseQuestion 4 of 20 5. Shine-Dalgamo sequence in bacterial mRNA is nearUAG codonAUG codonUGA codonUAA codonQuestion 5 of 20 6. Leucine zipper complex isReceptor ligand proteinMembrane attack complexDNA binding proteinB cell epitomesQuestion 6 of 20 7. Which of the following statements regarding mature cytoplasmic messenger RNA is true?sugar is deoxyriboseHas thiamine in place of UracilTranscribed from nuclear DNAits molecular weight is more than hn-RNAQuestion 7 of 20 8. Thiamine level is monitered byThiamine level in bloodReticulocytosisTransketolase level in bloodG6PD activityQuestion 8 of 20 9. Splicing activity is a function ofr RNAt RNAsn RNAmRNAQuestion 9 of 20 10. The hormone using an enzyme receptor for its actionSteroidOestrogenThyroxineInsulinQuestion 10 of 20 11. DNA estimation can be done bySpectrophotometerspirometersphyfmometerpH meterQuestion 11 of 20 12. Which of the following is NOT a characteristic feature of allosteric enzymes?Follow Michaelis-Menton kineticsGive sigmoid shaped curveThey are multienzyme complexesPresence of Modulator siteQuestion 12 of 20 13. the 40nm gap in between the tropocollagen molecule in collagen which serve as the site of bone formation is occupied by which of the followingca++carbohydratesligand moietyFe +++Question 13 of 20 14. action of a-sununit of G protein isbreakdown of GTP to GDPbinding of agonistsintemalization of receptorsconversion of GDP to GTPQuestion 14 of 20 15. cholesterol is primarily used by mammalian cell asa precursor of ketone bodiesa component of cell membranesan energy storage materiala precursors of polyunsaturated fatty acidsQuestion 15 of 20 16. Regulating enzymes in gluconeogenesis are all ,exceptPEP carboxykinasePFK-1Pyruvate CarboxylaseGlucose -6 phosphataseQuestion 16 of 20 17. Which type of RNA has the highest percentage of modified basesn RNAm RNAr RNAt RNAQuestion 17 of 20 18. hydroxylation of phenylalanine to tyrosine requiresPyridoxal phosphateTetrahydrofolatetetrahydrobiopterinS-adenosyl methionineQuestion 18 of 20 19. Cardiolipin is associated withMitochondriaRibosomeLysosomeNucleusQuestion 19 of 20 20. Acetyl Co A carboxylase enzyme is present inLysosomeCytosolBoth cytosol and mitochondriaMitochondriaQuestion 20 of 20 Loading...
