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Unformatted text preview: G A U U A or G I (Inosine)* A, U, or C *modified base present in some tRNAs First (5) Position of tRNA Anticodon Third (3) Position of mRNA Codon 5 3 5 3 5 3 There are 61 sense codons, but only ~30 - 50 different tRNAs Different codons can sometimes pair with the same anticodon through flexibility of pairing at the 3 rd position of the codon ( wobble )...
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