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n.（名詞）
A sequence of three adjacent nucleotides in transfer RNA designating a specific amino acid that binds to a corresponding codon in messenger RNA during protein synthesis.
反密碼子：在蛋白質(zhì)合成過程中，傳送者RNA中的相關(guān)密碼子與某種氨基酸結(jié)合，在傳送RNA過程中出現(xiàn)的三個相鄰的核苷酸序列