Answers Updated 2026
WhenBaBgeneBisBexpressedB...BisBproduced.B-BAnswermRNA
AllBgenesBareBexpressedBinBallBcells.BIsBthisBstatementBtrue?B-
BAnswerNo,BonlyBgenesBthatBareBrelevantBforBthatBparticularBcellsBareBexpressed.
IfBmRNABfromBgeneBABisBveryBabundantBinBtheBfatBtissueBfromBtheBobeseBpigBandBrareBinBt
heBfatBtissueBofBtheBleanBpig,BitBshowsBusBthat...B-
BAnswerGeneBABisBmoreBexpressedBinBobeseBanimals
WhyBdoBweBkeepBtissueBsamplesBforBRNABworkBinBliquidBnitrogenB(-196BdegreeBC)?B-
BAnswerToBpreserveBtheBRNA,BwhichBquicklyBdegradesBatBroomBtemperature
TheBRNABcontentBinBaBcell...B-
BAnswerIncludesBbothBcodingBmRNABandBseveralBtypesBofBnon-codingBRNA
WhereBmostBofBtheBmRNABisBlocated?B-BAnswerInBtheBcytoplasm
TheBlysisBbufferBusedBforBRNABextractionBcontains...B-
BAnswerGuanidiumBisothiocyanateBandBphenol
WhatBdoesBtheBlysateBconsistBof?B-BAnswerRNA,BDNA,BproteinsBandBcellularBdebris
WhatBdoByouBmeasureBatB230,B260BandB280Bnm,Brespectively?B-
BAnswerChemicals,BRNA/DNA,BandBproteins
AB260/280BratioBshouldBbeBbetweenB1.8BandB2.1.BWhatBdoesBitBmeanBifBweBhaveBaB260/28
0BratioBthatBisBlowerBthanB1.8?B-BAnswerThereBareBaBlotBofBproteinsBinBtheBRNABsample
WhatBwillBspectrophotometerBmeasure?B-BAnswerPurityBandBquantity
WhatBshouldByouBseeBinBtheBgelBifBtheBRNABisBintact?B-
BAnswerTwoBbandsBcorrespondingBtoBribosomalBRNAsB(rRNAs)