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1、細胞生物學(xué)期末試卷任課金200226班級一、填空題(每空 0.5 分,共 10 和的腔中被被修飾蛋白通過并形成進行轉(zhuǎn)運。有兩種類型的包被細胞生物學(xué)期末試卷任課金200226班級一、填空題(每空 0.5 分,共 10 和的腔中被被修飾蛋白通過并形成進行轉(zhuǎn)運。有兩種類型的包被小泡,一是,它介導(dǎo)小泡,它介導(dǎo)。低密度的脂蛋白通過其表面的DNA8400壓縮倍表一二三四五六七八總 1.Indicate whether each of the following sements is true of the G1 phase of the cell cycle, the S phase, the G2 ph
2、ase, or the M phase. A given sement may be true of any,allornoneofthephases.(0.55分TheamountofnuclearThenuclearenvelopehecelloSisterchromatidsseparatefromeach(d) twillneverdivideagainarelikelytobehisTheprimary1.Indicate whether each of the following sements is true of the G1 phase of the cell cycle,
3、the S phase, the G2 phase, or the M phase. A given sement may be true of any,allornoneofthephases.(0.55分TheamountofnuclearThenuclearenvelopehecelloSisterchromatidsseparatefromeach(d) twillneverdivideagainarelikelytobehisTheprimarycellwallofaplantcellChromosomesarepresentasdiffuse,extended(g)Thisphas
4、e ispart(h) Mitoticcydinisatitslowest(i)ACdkproteinishe(j)Acellcyclehasbeenhis)傳遞信號。))三、選擇題(請將正確Ethylalcoholis的代號填入括號,每題1分,共15heliver.Youwouldexpectalcoholtohavewhichoffollowingeffects三、選擇題(請將正確Ethylalcoholis的代號填入括號,每題1分,共15heliver.Youwouldexpectalcoholtohavewhichoffollowingeffectsonlivercells? Nucl
5、earGrowthofthesmooth GrowthofroughNoneofthe2. Which of the following proteins endoplasmic reticulum?()would not be )he 3.Whichcytochrome P450 glucose6-phosphatase signal peptidasethefollowingexplainswhymicrosomescantbeseeninviewed with the electron )far too artifactsofhomogenizationandtransparentto
6、actually can be seen in electron micrographs of If you compared the proteins in a cis Golgicompartment with)in a trans the the compartment, you would he two compartments are he cis compartment are glycosylated and modifiedamino not modified.c. the whereas those the trans compartment in cis compartme
7、nt are glycosylated, glycosylated and those in the modifiedaminod.the proteins of the cis compartment are trans n those of WhichtypeofvesicleofthetransGolginetworkwouldbemost)tocarryhormonesdestinedforregulateda.lysosomalb.clathrin-coated all of theascolchicine,whichtthefollowingwouldbe)Cell Mitosis
8、andb.clathrin-coated all of theascolchicine,whichtthefollowingwouldbe)Cell Mitosisandmeiosiswouldnotracellular location of Alloftheabovewouldyou dissolve the membrane from anelleswouldbeact flagellum, using detergent Triton X-100. Next you soak the axoneme in a these )peripheraltubulesperipheraltubu
9、lesandcentraltubules,butnosidearmsorATPase peripheral tubules, central tubules, side arms, and ATPase and a 8. Thesarcoplasmicreticulumegralmembranetand)bindto tropomyosinandactionWhenchromatinistreatedwithnonspecificnucleases,whatisthelengthofreultingofrandomnumbersofbase60base8base 200base10. What
10、omeres)a.Theyprotectthechromsomesfromdegradationbyb.Theysofchromosomesfromfusingwithonec.Theyarerequiredforcompletechromosomald.allof the11. Cyclinconcentrationsarehighestduringwhichperiodsofthecellb.Theysofchromosomesfromfusingwithonec.Theyarerequiredforcompletechromosomald.allof the11. Cyclinconce
11、ntrationsarehighestduringwhichperiodsofthecell()earlyS earlylateM andlatea. 產(chǎn)生H)d四、簡答題(選做 4 題,每題 5 分,20 1.Howdoesregulatedsecretiondifferfromconstitutive2.Dynamicinstabilitycausesmicrotubuleseithertogrowortobe ogueoftetcanbedrawnfromthefollowingWhen an animal cell is treated with colchicine, its mic
12、rotubules depolymerize and virtually disappear. If the colchicine is then washed away, the MTs appear again, beginning at the centrosome and elongating outward at about the rate (1 gm/min) atwhichtubulinpolymerizesin五、計算與推理(第 1 題必做,2、3 選一題,每題 5 etcanbedrawnfromthefollowingWhen an animal cell is trea
13、ted with colchicine, its microtubules depolymerize and virtually disappear. If the colchicine is then washed away, the MTs appear again, beginning at the centrosome and elongating outward at about the rate (1 gm/min) atwhichtubulinpolymerizesin五、計算與推理(第 1 題必做,2、3 選一題,每題 5 分,共 10 1.In anelectronmicro
14、graphofa humanchromosomespread,you observea thicklengthofabout900nmandanapparentdiameter of 30nm,whichisforthesolenoidstructureofcondensedfiber? me,fortthereisone helicalturnofsolenoidper30nmalongthe2. One of the functions of the mitotic Cdk (the MPF protein kinase) is to cause precipitous drop in c
15、yclin concentration halfway through M phase. Describe of mightdden decrease and sible mechanisms by which A hat inhibits certain proteolytic enzymes (proteases) is normally o the bloodstreamby liver cells. This inhibitor protein,antitrypsin, isabsentthe bloodstream of patients who carry a t results
16、in a single amino he protein.Antitrypsing e,because of the activity of proteases. Surprisingly, when the mutant antitrypsin is the bloodstream of patients who carry a t results in a single amino he protein.Antitrypsing e,because of the activity of proteases. Surprisingly, when the mutant antitrypsin
17、 is laboratory, it is ive as the normal antitrypsin at inhibiting proteases. Why doesthe ioncause the disease? Think of nsibilityandwaysinwhichyoucoulddistinguishn六、比較題(每題 5 分,共 10 分1. Compare and contrast the following: cytoplasmic dynein vs. kinesin七、綜合問答題(任選一題,20 八、附加題(每題 5 分,共 15 分eExtractstcanbedrawnfromthefollowingnondividingfrogheG2phasecouldinducethecellwerefoundtocontaintofthesestructureswere
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