104proc Oftheokla Acad Ofsci For1960sectionb Geologywhystrea PowerPoint Presentations - PPT

), 106PROC.OFTHEOKLA:ACAD.OFSCI.FOR1960littleintothecompetitioninmeanderformation,whereaserosionisImportant.Onariver,whosewidthisenonnoUB,streamloadcannotpassacroBBit.Debristornfromonebankisdepositedd

eoPROC.orTHEOKLA.ACAD.OFSCI.FOR1957TherateofregenerationofgUllengthvariedwidelyfromoneindi

TheNunproteinofbacteriophageHK022isamemberofthearginine-richmotiffamilyofRNAbindingproteins,whichincludesthephageNtranscriptionantiterminationproteinandtheHIVTatandRevproteins(Fig.1;refs.1±3).Nunbind

Proc.Nat.Acad.Sci.USA70(1978)624~~~~~~~~~~~~24*0aS5!!402040608000020-tO60eo0as--40506~~~~~~~~~~~~~0GROWTHINTHEL00H000)CRW'0NTE0~Z04-20FIG.2.(A)Kineticsofinductionofthechloroplastisoleucyl-tRNAuponexpo

6148Biochemistry:LittleandHarperTable1.BacterialstrainsemployedSource,reference,StrainRelevantgenotypeorderivationAB1157recA+lexA+sup-37(15)DM49recA+lexA3sup-37(12)DM511recA+IexA3ts1-1sup-37(16)DM1187

Proc.Natl.Acad.Sci.USA82(1985)6415fragmentwasisolatedfroma0.8%agarosegelbyusingtheapparatusforpreparativegelelectrophoresis.DNASequencing.DNAsequencingusingdideoxynucleo-tideswasperformedasdescribedby

I,fromFlavobacteriumokeanokoites,isamemberoftheunusual,typeIIsclassofrestrictionendonucleasesthatrec-ognizeaspecificDNAsequenceandcleavenonspecificallyashortdistanceawayfromthatsequence(1).Ibindstheco

Proc.Natl.Acad.Sci.USA93(1996)11529BothLandL*canbeprotonatedonLys-156,butthepKaforprotonationisconsiderablylowerforL*thanforL;pKL*iswhilepKLis10.OneimportanttenetofthismodelisthattheIndsmutationsincre

Genetics:Slupskaetal.Table1.ComparisonofmutAandmutCwithmutA,CStrainLac+revertantsper(CC105)108cells,no.+2.3

868CellBiology:OsbornandWeberFIGS.1-7.(Legendappearsatbottomofthefollowingpage.)Proc.Nat.Acad.Sci.USA73(1976) Proc.Nat.Acad.Sci.USA73(1976)869FIG.8.Recoveryofcytoplasmicmicrotubulesin3T3cellsafterColc

Proc.Nati.Acad.Sci.USA87(1990)2527A4T4FIG.2.StereoscopicdifferenceFourierelectrondensitymapatthepositionofthemissingphosphateinbothA4andT4models.ofotherunlikelycombinationssuchasadodecamerduplexwithfo

Proc.Nat.Acad.Sci.USA73(1976)951Themutagenicpotencyofeachchemicalisbasedonthere-versionofthattesterstrainmostsensitivetoit;eachstrainhasbeenindependentlyoptimizedfordetectionofapartic-ularclassofmutag

MedicalSciences:Cherif-Zaharetal.Proc.Natl.Acad.Sci.USA87(1990)6245aatcccggcctgcacagagacggacacaggATGAGCTCTAAGTACCCGCGGTCTGTCCGG60MetSerSerLysTyrProArgSerValArg9CGCTGCCTGCCCCTCTGGGCCCTAACACTGGAAGCAGCTC

Proc.Natl.Acad.Sci.USA88(1991)4529maximal(i.e.,50%)cellkilling.Chroniclineswereestab-lishedbymaintainingtheacutelyinfectedcellsuntilthecellssurvivingtheacuteinfectiongrewout.Experimentswiththechronica

612PanofskyProc.Nat.Acad.Sci.USA70(1973)FRASCATIwX.I,0.01(CERN31)1976(NAL)1972ft((SLAC-RLA))lANL-0.1975BNL-GCERN-PSLAANL-ZGSMoscowCORNELL0(TSUKUBA)MOSCOWUNIMRODV19740DESYBEVATRON*CEAYEREVAN0NINACOSMOT

19. 20. Ontheperiodsofmodularellipticcurves.C.R.Math.Rep.Acad.Sci.CanadaX,No.5,211-215(1988). 21. Poincar

Proc.Natl.Acad.Sci.USA87(1990)6389Corey-Bransona-helixcannotberepresentedwithperfectaccuracyonanylatticeoflowcoordinationnumber,butthehelicesobservedincrystallographydatabasesofrealpro-teinsarelikewis

Proc.Natl.Acad.Sci.USA91(1994)5365emergeinearlyJune,becomeadultsinlateJune,andbegintodieoffinearlyAugust.Thegrasshoppernymphsandadultsareabundantduringthee80-daytemporalwindowwhenthekeyplantsareabunda

Proc.Nat.Acad.Sci.USA72(1975)hasalowerboundPI(tY1t+h)n(Y-&#x Tj ;&#x/F1 ;.9;� Tf;&#x 33.; T;&#xz -0;&#x.24 ;&#xTs 1;
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Proc.Nat.Acad.Sci.USA91(1994)9761thepGEM4vector(Promega)forsequencing.Specifically,a1.2-kbPstIfragment,whichhybridizedtothemousecDNAprobe,butnottotalmouseDNA,wassubclonedtogeneratethesequencehomologou

Proc.Natl.Acad.Sci.USA73(1976)29290.6OD0.50.41+mPMU0.3LDEPTH(mm)IIIIIIII00.51.0FIG.1.Atracedcomputeroutputdisplayingtheaveragedopticaldensitiesoflayersinthespecimenofcerebralcortexshownbelow.Thescanni

Proc.Natl.Acad.Sci.USA87(1990)wereprepared(25),andtheDNAinsertwasexcisedwithEcoRI,isolatedbylowmeltagarosegelelectrophoresis,andrandom-primedforexpressionanalysis.Theexpressionlev-elsandsizesofthemRNA

Proc.Natl.Acad.Sci.USA82(1985)855timeswiththesamebufferlackingNP-40andTritonX-100andwereresuspendedinthenick-translationbufferasde-scribedabovecontaining100,Ciof[3H]TTP(117Ci/mmol,NewEnglandNuclear)in

1134CellBiology:Halpernetal.Proc.Nat.Acad.Si.USA71(1974)x900Co4-1U.N.600zin00:300_05010150TIME(hours)FIG.1.GrowthofW-256(ratbreastcarcinosarcoma)cellsinculture.Walker-256cellsweregrownintwomodifiedMcC