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tRNA n. =transfer RNA tRNA
n 1: RNA molecules present in the cell (in at least 20 varieties, each variety capable of combining with a specific amino acid) that attach the correct amino acid to the protein chain that is being synthesized at the ribosome of the cell (according to directions coded in the mRNA) [synonym: {transfer RNA}, {tRNA}, {acceptor RNA}, {soluble RNA}] |
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