Use the genetic code table. Which amino acid is coded for by only one codon sequence? Second Position U A UUU Phe /F UCU UAU UGU Tyr /Y U Cys/C UUC UCC UAC Ser /S UGC UUA Leu /L UCA UAA STOP UGA STOP A UUG UCG UAG Trp/W G STOP UGG CUU CCU CAU CGU CỤC His / H Leu /L CC Pro /P САС CGC CUA ССА Arg/R CAA CGA CUG Gln /Q CG CAG CGG AUU ACU AAU AGU AUC Ile /i ACC Asn / N Ser /S Thr/T AAC AGC AUA ACA AAA AGA Lys/K Arg /R G AUG Met/M ACG AAG AGG GUU GCU GAU Asp /D GGU U GUC GCC Val /V Ala / A GAC GGC GUA Gly/G A GCA GAA GGA GUG GCG Glu /E GAG GGG valine O serine O threonine O isoleucine O methionine Third Position AGU CAG C. First Position

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