Hujayra – irsiyatning birligi

Question 1

Xromosomaning qaysi qismiga bo‘linish urchug‘i kelib birikadi?

Accepted Answer

birlamchi belbog‘

Answer

xromosoma yelkalari

Answer

sitoskelet

Answer

sentriola

Question 2

Quyida DNK fragmentining birinchi zanjiridagi tripletlar ketma-ketligi ifodalangan.
Birinchi zanjir: ATG ACC CAA CGC GGT ATT
Genetik kod jadvalidan foydalanib ushbu DNK fragmentining ikkinchi zanjiri asosida sintezlangan polipeptid zanjiridagi aminokislotalar ketma-ketligini aniqlang.

Accepted Answer

metionin − treonin − glutamin − arginin − glitsin − izoleysin

Answer

tirozin − triptofan − valin − arginin − glitsin − izoleysin

Answer

tirozin − triptofan − valin − alanin − prolin − stop kodon

Answer

metionin − treonin − glutamin − alanin − prolin − stop kodon

Question 3

DNK qo‘sh zanjiridagi jami nukleotidlarning 20 foizini T nukleotidlari tashkil qilsa, 400 ta nukleotid saqlagan ushbu DNK molekulasidagi jami vodorod va fosfodiefir bog‘lar sonini aniqlang.

Accepted Answer

918

Answer

122

Answer

598

Answer

798

Question 4

AUG GGA GUU UCG AAG UGG GAU AUU GUG CCC UGA kodonlardan iborat bo‘lgan i-RNK tarkibidagi fosfodiefir bog‘lar sonini (a) va ushbu zanjir asosida sintezlangan polipeptid zanjirning og‘irligini (b) aniqlang (bitta aminokislotaning o‘rtacha og‘irligi 120 ga teng).

Accepted Answer

a-32; b-1200

Answer

a-11; b-960

Answer

a-10; b-840

Answer

a-33; b-1080

Hujayra – irsiyatning birligi

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