II. Oqsil biosinteziga doir quyida berilgan masalalarni yeching




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10-sinf.Labaratoriya XADICHA

II. Oqsil biosinteziga doir quyida berilgan masalalarni yeching.
1) DNK ning berilgan zanjiri asosida genetik kod jadvalidan foydalanib
jadvalni to‘ldiring

2) GTCATGGATAGTCCTAAT nukleotidlar ketma-ketligidan iborat DNK
molekulasi asosida sintezlangan i-RNK molekulasidagi nukleotidlar ketmaketligini va oqsildagi aminokislotalar sonini aniqlang.
Javob:___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

2. Oqsil molekulasida aminokislotalar quyidagi tartibda joylashgan. ser–glu–


asp–tri–fen–ley–ala. Genetik kod jadvalidan foydalanib ushbu aminokislotalar
ketma-ketligiga mos i-RNK molekulasidagi nukleotidlar ketma-ketligini ko‘rsatib
bering.
Javob:___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
3. i-RNK molekulasida UGCAAGCUGUUUAUAACCGAU tartibida
nuk leotid lar ketma-ketligi berilgan. Genetik kod jadvalidan foydalanib ushbu
nukleotidlar ketma-ketligiga mos aminokislotalar ketma-ketligini aniqlang.
Javob:___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

4. 450 nukleotid juftligidan iborat DNK bo‘lagi asosida sintezlangan i-RNKdagi


nukleotidlar sonini va oqsildagi aminokislotalar sonini hamda oqsilning massasini
aniqlang.
Javob:___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

5. Oqsilning massasi 36000 ga teng bo‘lsa, shu oqsilga mos i-RNKdagi va


DNKdagi nukleotidlar sonini aniqlang.
Javob:___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________


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II. Oqsil biosinteziga doir quyida berilgan masalalarni yeching

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