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1、2006-2007学年第1学期试题名称：植物生物学A卷1.Pleasegivedefinitionofthefollowingbotanicalterms(40points,4pointseachone)1.1EndomembranesystemCollectively,thecellularmembranesthatformacontinuum(plasmamembrane,tonoplast,endoplasmicreticulum,Golgibodies,andnuclearenvelope).1
2、.2CrossingoverTheexchangeofcorrespondingsegmentsofgeneticmaterialbetweenthechromatidsofhomologouschromosomesatmeiosis.1.3CasparianstripAbandlikeregionofprimarywallcontainingsuberinandlignin;foundinanticlinal-radialandtransverse-wallsofendodermalandexoder
3、malcells.1.4SporicmeiosisMeiosisresultingintheformationofhaploidsporesbyadiploidindividual,orsporophyte;thesporesgiverisetohaploidindividuals,orgametophytes,whicheventuallyproducegametesthatfusetoformdiploidzygote;thezygotes,inturn,developintosporophytes
4、;thiskindoflifecycleisknownasanalternationofgenerations.1.5BasidiosporesSporesofthebasidiomycota,producedwithinandborneonabasidiumfollowingnuclearfusionandmeiosis.1.6TypespecimenUsuallyadriedplantspecimenhousedinanherbarium;selectedbyataxonomisttoserveas
5、thebasisforcomparisonwithotherspecimensindeterminingwhethertheyaremembersofthesamespeciesornot.1.7UnilocularsporangiumTheunilocularreproductivestructurewhichwereproducedbydiploidsporophytestoformhaploidzoosporesthatgerminatetoproducegametophytes,meiosisf
6、irstlytakesplacewithintheunilocularsporangia.1.8SorusAgrouporclusterofsporangiaorsporesinferns.1.9OvuliferousscalesIncertainconifers,theappendageorscalelikeshoottowhichtheovuleattached.1.10arietalplacentationOfplacentation,withplacentaspositionedonthewal
7、lofaunilocularcompoundovaryandovulesattachedtotheouterwalloftheovaryinsteadoftheaxisandpointinginwards.2.Questions(60points)1）Whatismeantbythecelltheory,andwhatthreefeaturesofplantcellsdistinguishthemfromanimalcells?(10points)Initsmodernform,thecelltheor
8、ystatesthat(1)alllivingorganismsarecomposedofoneormorecells;(2)thechemicalreactionsofalivingorganism,includingitsenergy-releasingprocessesanditsbiosyntheticreactions,takeplacewithincells;(3)cellarisefromothercells;and(4)ce
