soluble RNA


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Related to soluble RNA: ribonucleic acid

trans·fer RNA (tRNA),

short-chain RNA molecules present in cells in at least 20 varieties, each variety is capable of combining with a specific amino acid (see aminoacyl-tRNA). By joining (through their anticodons) with particular spots (codons) along the messenger RNA molecule and carrying their amino acyl residues along, they lead to the formation of protein molecules with a specific amino acid arrangement-the one ultimately dictated by a segment of DNA in the chromosomes. Each tRNA has about 80 nucleotides (MW about 25,000); most of the 20 varieties occur in multiple "isoacceptor" forms, separable by chromatography. Further subvarieties exist in, e.g., different strains of an organism, in subcellular organelles, and in different metabolic states. Cognate tRNAs are the tRNAs recognized by the specific amino acyl-tRNA synthetases.

soluble RNA

n.
Transfer RNA.

trans·fer RNA

(tRNA) (trans'fĕr)
Short-chain RNA molecules present in cells in at least 20 varieties, each variety capable of combining with a specific amino acid (see aminoacyl-tRNA). By joining (through their anticodons) with particular spots (codons) along the messenger RNA molecule and carrying their amino acyl residues along, they lead to the formation of protein molecules with a specific amino acid arrangement.
Synonym(s): soluble RNA.
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