Mitoz. Ismingiz
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Mitoz
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Mitoz. Ismingiz………………… 1.Hujayraning yashash muddati nimalarga bog’liq?.......................................................................................................... 2.Qaysi hujayralar embrional rivojlanish davri tugagandan keyin bo’linmaydi va organizmning butun umri davomida o’z funksiyasini bajaradi?................................................................................................................................................... 3.Ko’payish qaysi jarayon bilan uzviy bog’liq?................................................................................................................. 4.Umri davomida bo’linib turuvchi hujayralarni aniqlang?............................................................................................... 5.Hujayraning hayot sikli qaysi davrni o’z ichiga oladi?................................................................................................... 6.Bir mitozdan 2-mitozgacha bo’lgan tayyorgarlik davri nima deb ataladi?..................................................................... 7.Yadrocha qaysi fazada yo’qoladi?................................................................................................................................ 8.Mitoz bosqichlari qancha vaqt davom etadi?................................................................................................................ 9.Sitokinez bu …?............................................................................................................................................................. 10.Sintezdan oldingi davrda qaysi jarayonlar kuzatiladi?.................................................................................................. 11.Sintezga tayyorgarlik davri qaysi harf bilan belgilanadi?.............................................................................................. 12.Profazada yadro qanday o’zgarishga uchraydi?............................................................................................................ 13.Bo’linish urchig’i qaysi davrda hosil bo’ladi?.............................................................................................................. 14.Xramasomalarning spirallashi qaysi fazada boshlanadi?.............................................................................................. 15.Har bir xramasomada ikki barobar ko’p DNK ni hosil bo’lishi …davrida kuzatiladi?.............................................. 16.Mitozning yakunlanish bosqichini aniqlang?................................................................................................................ 17.Xramasomalar qaysi davrda mikroskopda aniq ko’rinadi?........................................................................................... 18. … yadro qobig’i parchalanadi?..................................................................................................................................... 19.Sintez davrida … kuzatiladi?........................................................................................................................................ 20.Qaysi fazada xramasomalar qutblardan bir xil masofada, ekvator tekisligida bir xil joylashadi?................................ 21.Xramasomalar qaysi fazada sitoplazmaga chiqadi?...................................................................................................... 22.Xramasomalar o’rtasidagi birlamchi belbog’ning uzilishi mitozning qaysi fazasida kuzatiladi?................................. 23.Mitozning qaysi fazalarida bir-biriga qarama-qarshi jarayonlar kuzatiladi?................................................................. 24.Bo’linish urchig’i qaysi fazada shakllanadi?................................................................................................................. 25.Xramasomaning spirllanishi qaysi fazada boshlanib,qaysi fazada tugaydi?................................................................. 26.Profazaning oxirida qaysi jarayon kuzatiladi?............................................................................................................... 27.Mitoz natijasida hosil bo’lgan yangi hujayra … to’plamga ega?.................................................................................. 28.Telofazada … yadro qobig’i hosil bo’ladi?.................................................................................................................. 29.Mitoz jarayonida bo’linish urchug’i qanday funksiyani bajaradi?................................................................................ 30.Profazada xromosomalar … holatga keladi?................................................................................................................. 31.Qaysi jarayon ham profazada ham metafazada kuzatiladi?.......................................................................................... 32. … davrida hujayraning mitozga tayyorgarligi yakunlanadi?........................................................................................ 33.Qaysi fazada xromosomalarning spirallari yoyiladi va yorug’lik mikroskopida yaxshi ko’rinmaydigan bo’lib qoladi?................................................................................................................................................................................ 34.Hayvon hujayralarida sitokinez qanday amalga oshadi?.............................................................................................. 35.Nimaning hisobiga bo’linish urchug’i xromosomalarni qutblarga tortadi?.................................................................. 36.Sentriolalarning qutblarga tarqalishi qaysi fazada kuzatiladi?..................................................................................... 37.Profazada asosiy o’zgarishlar qaysi organoidda yuz beradi?....................................................................................... 38.Qaysi jarayon profazada boshlanib, metafazada tugallanadi?...................................................................................... 39.Xromosomalar orsidagi masofaning bir hil bo’lishi qaysi fazada kuzatiladi?............................................................ 40.Har bir xromosoma nechta bo’linish urchug’iga birikadi?........................................................................................... 41.O’simlik hujayralarida sitokinez qanday amalga oshadi?............................................................................................ 42.Xromosoma sentromeralarining ekvator tekisligida bir hil holatda joylashuvi qaysi fazada kuzatiladi?.................... 43.Qaysi davr mitozga yaqin hisoblanadi?........................................................................................................................ 45.Har bir hujayra aniq … ga ega ?................................................................................................................................... 46.Yadro qaysi fazada yana qayta tiklanadi?...................................................................................................................... 47.O’smlik hujayralarida sellulozali qobiq qaysi fazada hosil bo’ladi?............................................................................. 48.Qaysi fazada o’simlik va hayvon hujayrasida farqlanuvchi jarayon kuzatiladi?.......................................................... 49.Mitoz bo’linish to’qima va organlardagi hujayralarning … doimiyligini taminlaydi?................................................. 50.Mitoz bo’linish qaysi organizmlarda uchramaydi?....................................................................................................... 51.Mitoz natijasida hosil bo’lgan yangi hujayralarda bir-xil … bo’ladi?.......................................................................... 52.Telofazada xromosomalarda qanday hodisa yuz beradi?.............................................................................................. 53.Mitozning qaysi fazasida krossingover hodisasi yuz beradi?........................................................................................ 54.Sintezga tayyorgarlik davrida qaysi fermentlarning faolligi ortadi?............................................................................. 55.Sintez (S) davrida … ikki hissa ortadi?......................................................................................................................... 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