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Definition 2024


stop_codon

stop codon

English

Noun

stop codon (plural stop codon)

  1. (biology, genetics, biochemistry) a sequence of three RNA nucleotides (A, C, G or U) that instruct the synthesis, or translation, of a protein to stop. The three-letter stop codon sequences have been given names: "UAG" is amber, "UGA" is opal, and "UAA" is ochre.

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