Kirish, tirik va jonsiz tabiatning o’xshashligi va farqlari. Ismingiz

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?............................................................................................................................