- 问题详情:布氏田鼠是生活在寒冷地带的一种非冬眠小型哺乳动物。下图为持续寒冷刺激下机体调节褐*脂肪组织细胞“BAT细胞”产热过程的示意图。请据图分析回答:(l)寒冷刺激…方面使下丘脑部分传出神经末梢释放__________,导致BAT细胞中cAMP增加,促进部分脂肪分解:其产物进入线粒...
- 23011
- Pteropusphaeocephalus[Mortlockfruitbat]FruitconsumptionandseeddispersalofwildbananaMusaacuminatabyshort-nosedfruitbatCynopterussphinxAnAfricanfruitbat(Hypsignathusmonstrosus,themaleofwhichhasadistinctive,enlargedhead.Scientistsareurgingthegovernmento...
- 6048
- Abatecholocatesthedirection.You,however,arenotavampirebat.Along-fingeredbatfishingatnight.Ihavetobatoutatermpaperbeforeclass.Theboytradedhisknifeforacricketbat.Hejusttippedtheballwithhisbat.Havingbeensuggestedbyabat,peopleinventedsonar.Iwanttobuyanew...
- 9157
- Theboytradedhisskatesforacricketbat.Theboytradedhisknifeforacricketbat.Hittingapillowwithacricketbatmaynotbeanappropriatewaytoexpressstrongemotionswhenyou'resittinginacafe.Earlyeradicationmethodsincludedhittingthetoadswithgolfclubsorcricketbats....
- 16473
- Batter:Theplayeratbatinbaseballandcricket.Truth-DidanyoneeverseeBabeRuthatbat?Inbaseball,onlythesideatbatcanscore.Karlwasatbatonlyashorttimebeforehestruckout.Thedivisionorperiodofacricketgameduringwhichoneteamisatbat.Charleswasatbatonlyashorttimebefo...
- 4718
- 问题详情:布氏田鼠是生活在寒冷地带的一种非冬眠小型哺乳动物。下图为持续寒冷刺激下布氏田鼠体内调节褐*脂肪组织细胞(BAT细胞)产热过程示意图。 63寒冷刺激一方面使下丘脑部分传出神经末梢释放 ,另一方面寒冷刺激还能使下丘脑合成并释放 ,导致体内*状腺激素的量增...
- 30157
- 问题详情:布氏田鼠是生活在寒冷地带的一种非冬眠小型哺乳动物。右图为持续寒冷刺激下机体调节褐*脂肪组织细胞(BAT细胞)产热过程的示意图。请分析回答:(1)寒冷刺激一方面使下丘脑部分传出神经末梢释放__________________,该生理活动的结构基础是________。此过程还会使BAT细胞中...
- 28132
- avarietyofcarnivorousbat.acarnivorousbatwithearslikeamouse.anyNeworOldWorldcarnivorousbaterroneouslythoughttosuckbloodbutinfactfeedingoninsects.Sheusesherabilitiestocalluponcarnivorousbatsandlongdeadspiritstolaytorestallwhostillpumpbloodthroughtheirv...
- 29691
- 问题详情: thehotel,anoldmangiveshimamagicmap.A.In B.At C.On【回答】B知识点:介词和介词短语题型:选择题...
- 6237
- 问题详情:—Hi,whereareyou ? —Chongqing.A:in B:at C:from【回答】C知识点:介词和介词短语题型:选择题...
- 11741
- ThisisanotherspeciesofhorseshoebatcalledRhinolophussimulator.Watervolesaredeclining,butbrownhareandpolecatpopulationsarerising.Greaterandlesserhorseshoebatpopulationshaverisen32%and41%respectivelyoverthepast10years....
- 24663
- 问题详情:That'sthirtyyuan thebag.A.to B.at C.for D.on【回答】C知识点:介词和介词短语题型:选择题...
- 7811
- 问题详情: 布氏田鼠是生活在寒冷地带的一种非冬眠小型哺乳动物。下图为持续寒冷刺激下机体调节脂肪组织细胞(BAT细胞)产热过程的示意图。下列分析正确的 A.寒冷的刺激使下丘脑释放的促*状腺激素释放激素增多,图中—ƒ体现了激素分泌的反馈调节 B.传出神经末梢释放的去...
- 22167
- 问题详情:It’ssofar thecity.A.to B.at C.from【回答】C知识点:介词和介词短语题型:选择题...
- 24091
- 问题详情: Ihavecomeup agoodidea. A.on B.at C.with D.at【回答】C知识点:动词和动词短语题型:选择题...
- 17833
- 问题详情:褐*脂肪组织(BAT)是小型哺乳动物适应*产热的主要部位.研究人员以常爪沙鼠为实验材料,研究动物在寒冷条件下BAT含量及相关激素的变化,结果如下表(TRH为促*状腺激素释放激素),回答下列问题:组别 环境温度(℃)实验结果 BAT含量(g/100g体重)...
- 23611
- No,no,@saidthebat."Thestorkandtheheron,andbirdsofthatsort,andthehoopoeandthebat."Thestork,anykindofheron,thehoopoeandthebat.Theballconnectedwiththesmallerendofthebatandgroundedtowardsecondbase.Butwiththenight,thebatwouldbeawake,dippinganddivingforf...
- 31800
- You,however,arenotavampirebat.AvampirebatlapsbloodfromasleepingcalfsomewhereintheUnitedStates.Suddenly,alittlevampirebatflewfromoutsideofthewoods,withfreshbloodfullofhismouth.You,however,arenotavampirebat.Becausehumansdidnotevolvesuchaniron-extractin...
- 13317
- 问题详情:Igotobed10theevening. ;on ;in ;at ;/【回答】B知识点:介词和介词短语题型:选择题...
- 23606
- 问题详情:在*互联网行业,百度、阿里巴巴和腾讯三巨头竞争激烈。业界对BAT有如是判断:百度精于技术,阿里精于交易,腾讯精于产品。这体现了( )A.同一事物在发展的不同阶段有不同的矛盾B.任何事物内部都包含着自身的特殊的矛盾C.事物总是处在由低级到高级的运动过程中D.人们对客...
- 29151
- 问题详情:褐*脂肪组织(BAT)是小型哺乳动物适应*产热的主要部位.研究工作者以长爪沙鼠为实验材料,研究动物在寒冷条件下BAT含量及相关激素的变化,结果如表.组别环境温度实验结果BAT含量(g/100g体重)BAT细胞中线粒体中的蛋白质总量(mg)下丘脑中促*状腺激素释放激素的含量(pg/mg)血浆中*...
- 7706
- 问题详情:下列有关ATP的叙述,不正确的是( ) A.人体内成熟的红细胞中没有线粒体,不能产生ATP 中的能量可以来源于光能、化学能,也可以转化为光能和化学能 C.在有氧与缺氧的条件下,细胞质基质都能形成ATP 中的"A"与构成DNA、RNA中的碱基"A"表示不同物...
- 19022
- 问题详情: Bill’sfatherisstricthim.A.in B.at C.for D.with【回答】D知识点:动词和动词短语题型:选择题...
- 31741
- Abadmintonracket.tennisrackettable-tennisbatbaseballbat....Hiscaneansweredforabaseballbat.It'slikebeinghitwithabaseballbat.Hemaliciouslydamagedacarwithabaseballbat.Hehidthebaseballbatunderhisbed.Heflailedaboutmadlywithabaseballbat.Ihaveabaseball,but...
- 22458
- Theboylikesthetabletennisbat.Whynotatabletennisbat?Wehaveawideselectionofbats.Thestartinggun,stopwatch,hulahoop,shuttlecock,goggles,rope,rope,cloth,basketball,tabletennis,tabletennisbat,stainlesssteelbasin,plasticbasin,wood.Theeffectsoftheshapesanddi...
- 8999