sat2生物试题

SATBiologyE/MSubjectTestJune2012Questions1-3refertothefollowingcellmembranediagram.1.Thismolecularstructureiscomposedoflipidchains.2.Thisstructureisinvolvedinfacilitateddiffusion.3.Thismolecularstructureishydrophilic.4.WhichofthefollowingpairsdoesNOTrepresentacorrectrelationship?(A)fat;lipid(B)starch;polysaccharide(C)starch;carbohydrate(D)sugar;carbohydrate(E)enzyme;lipidQuestions5-7refertothefollowingprocesses:(A)proteinsynthesis(B)respiration(C)digestion(D)photosynthesis(E)fermentation5.Theprocessbywhichbothplantsandanimalsobtainenergyforcellularfunction.6.Theprocessthatallowshigherplantstobeautotrophic(abletomanufacturetheirownfood).7.Theprocessthatleadstotheproductionofethylalcoholorlacticacid.8.Infruitflies,redeyesaredominanttogreeneyes.Inacrossbetweenashort-winged,green-eyedflyandalong-winged,red-eyedfly,theresultswereasfollows:40percentshortwingedandredeyed10percentshortwingedandgreeneyed10percentlongwingedandredeyed40percentlongwingedandgreeneyedWhichofthefollowingreflectsthechromosomemakeupoftheparents?(A)LIRrxLIrr(B)Llrrxllrr(C)LIRrxllrr(D)LLRRxllrr(E)LIRRxllRr9.Aconsensussequenceisassociatedwith________,whileasignalsequenceispartof________.(A)translation,hnRNAs(B)DNA,translation(C)transcription,asnurp(D)hnRNA,asnurp(E)spliceosomes,translationQuestions10-12(A)Smallintestine(B)Largeintestine(C)Stomach(D)Esophagus(E)Mouth10.Structurewheremostdigestionandabsorptionofnutrientsoccurs11.Structurewherestarchdigestionfirsttakesplace12.StructurewiththelowestpH13.Foodchainsneverconsistofmorethan4or5trophiclevels.Thereasonforthisis(A)energyislostalongthefoodchain(B)therearefewerprimaryconsumersintheworldthansecondaryconsumers(C)producersarealwaysshownonthebottomofanyfoodchain(D)pioneerorganismscompetewithconsumers(E)alloftheabovearecorrect14.Fromtheleftventricle,bloodflowsintothe(A)pulmonaryartery(B)aorta(C)leftatrium(D)venacava(E)septumQuestions15-17refertothefollowing.A.ArthropodaB.BryozoaC.ChordataD.CnidariaE.Mollusca15.Membersofthiscladehavepharyngealslitsatsomepointindevelopment.16.Membersofthiscladelackdifferentiatedtissues.17.Membersofthiscladehaveradialsymmetry.18.Whichofthefollowingdescribesabehavioroforganismsofthesamespecies?A.PeriodicalcicadasthatemergethesameyearB.FishthatbecomefertileduringdifferentseasonsC.UngulatesthatmatefrequentlyandyieldsterileoffspringD.RodentsthatmatefrequentlyandyieldnoviableoffspringE.Tropicalbirdsthatcourttheirmateswithdifferingdancesorsongs19.Whichmuscletypelinestheinteriorwallsofholloworgans?I.CardiacII.SmoothIII.StriatedA.IonlyB.IIonlyC.IIIonlyD.IandIIE.IIandIII20.Whichofthefollowingtypesoflearningbehaviorisresponsibleforallowingyoutoignoretheconstantsensationtoyourbodycausedbytheclothesyouarewearing?(A)habituation(B)association(C)imprinting(D)imitation(E)innovation21.WhichofthefollowingeventsdoesNOTleadtogeneticvariationinapopulation?(A)independentassortmentofchromosomesduringmeiosis(B)crossingoverbetweenhomologouschromosomesduringmeiosisI(C)crossingoverbetweenhomologouschromosomesduringmeiosisII(D)randomunionofaneggwithasperm(E)randommutation22.WhichstatementisNOTtrueofferns?(A)Thegametophyteislargerthanthesporophyte.(B)Thesorigiverisetothegametophytes.(C)Errsarefertilizedbysperminthearchegonia.(D)Fernspossessvasculartissueforthetransportofwaterandminerals.(E)Malegametesdependonwaterforfertilization.23.Whichofthefollowingsubstancesareproducedbythelightreactionsofphotosynthesis?(A)ATPandNADPH(B)ATPandglucose(C)NADHandglucose(D)ATPandNADH(E)NADPHandglucoseQuestions24-26InacertainpopulationofrabbitsinthemidwesternUnitedStates,therearetwoallelesforcoatcolor,brownandwhite.Brownisdominant,andwhiteisrecessive.Thefrequencyofwhite-coloredrabbitsis9%.Wolvesarealsopresentinthearea,andrabbitsconstituteamajorportionoftheirdiet.Foxesrecognizepreywhentheydonotblendintotheenvironment.24.Whatisthefrequencyofthealleleforbrowncoatcolorintherabbits?(A)0.09(B)0.03(C)0.3(D)0.7(E)0.925.Inthispopulationofrabbits,whatpercentageishybridbrown?(A)7%(B)42%(C)49%(D)81%(E)91%26.Iftheclimateweretochangesothatsnowcoveredthegroundmuchofthetime,whatchangeinthepopulationofrabbitswouldyouexpect?(A)Thefrequencyofthewhiteallelewouldincrease.(B)Thefrequencyofthewhiteallelewoulddecrease.(C)Thefrequencyofthebrownallelewouldincrease.(D)Thepopulationofwolveswoulddecreaseandthenincrease.(E)Thepopulationofwolveswouldincreaseandthendecrease.27.Mostrecessivesex-linkedtrails,suchascolorblindness,showupmorefrequentlyinmalesthanfemalesbecause(A)maleshavenocorrespondingalleleontheirXchromosometomasktheallelecarriedontheirYchromosome.(B)maleshavenocorrespondingalleleontheirYchromosometomasktheallelecarriedontheirXchromosome.(C)malescarryallsex-linkedtraitsontheirYchromosome.(D)femalesalwayscarryatleastonedominantalleleforsex-linkedtraitsbecausetheyhavetwoXchromosomes.(E)femalescompensateby“turning”offtherecessiveallelethroughdosagecompensation.28.HumanABObloodtypingisdeterminedbytheproteinspresentonredbloodcells.Thegenethatcodesfortheseproteinshasalleles:IA,IB,and𝑖.IAcodesforproteintypeA,IBcodesforproteintypeB,and