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Cho biết trình tự các nuclêôtit trên mARN mã hóa các axit amin sau : Codon GGG XXX GXU XGA UXU UUU Axit amin Gly Pro Ala Arg Ser Phe giả sử trình tự nuclêôtit của đoạn mạch 1 không tổng hợp mARN có trình tự các nuclêôtit như sau : .... XXX GGG TXG GXT ... và đoạn mạch 2 tổng hợp mARN.Hãy xác định : a) Trình tự các nuclêôtit ở mạch 2 b) Trình tự nuclêôtit của mARN được tổng hợp từ đoạn gen trên c) Trình tự axit amin của chuỗi axit amin được tổng hợp từ mARN trên.
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