这个词是什么意思？
A set of three nucleotides in a protein coding sequence that specifies individual amino acids or a termination signal (CODON, TERMINATOR). Most codons are universal, but some organisms do not produce the transfer RNAs (RNA, TRANSFER) complementary to all codons. These codons are referred to as unassigned codons (CODONS, NONSENSE).
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D003062 · MeSH 2026。
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