Activity Forums Discussion Are the termination codons (stop codons) universal?

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    • #2803
      Alice K
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        Are the termination codons (stop codons) working in all life forms? Can a termination codon (stop codon) encode any of the aminoacids?

      • #2822
        Marzana M
        Participant

          There are three standard stop codons in biology: UAG, UAA, and UGA.

          There are some variations of these codons. See Stop codon – Wikipedia.

          A stop codon may be used to encode an amino acid, e.g., UGA can encode selenocysteine.

           

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