zanjirsimon dnk fragmentining restriksion xaritasi
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1-topshiriq. (7 ball) zanjirsimon dnk fragmentiga hindiii va smai fermentlari yordamida alohida- alohida, so‘ngra ikkita ferment bilan bir vaqtda ishlov berildi. reaksiya mahsulotlari agaroza gelida ajratildi va etil bromid bilan bo‘yaldi. elektroforez natijalari quyidagi rasmda keltirilgan. mazkur dnk molekulasining restriksion (parchalangan) xaritasini tuzing. (“kilobaza”ni quyidagicha tushuning; 1 kilobaza = 1000 nukleotid/azot asosi jufti) javob: baxolash: 1. faqat hindiii fermenti hisobiga kesilgan xarita keltirilsa, ya’ni dnk ni 2,5kb va 5kb ga ajratgan bo’lsa = 2 ball. 2. faqat smai fermenti hisobiga kesilgan xarita keltirilsa, ya’ni dnk ni 2kb va 5,5kb ga ajratgan bo’lsa = 2 ball. 3. har ikkala ferment ta’sirida kesilgan fragmentning xaritasi bo`lsa, ya’ni dnk ni 2,5kb, 3kb va 2kb ...
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