: a relatively small RNA that transfers a particular amino acid to a growing polypeptide chain at the ribosomal site of protein synthesis during translation
called also tRNAcompare messenger rna
Recent Examples on the Web Okay, so tRNA is short for transfer RNA. —Quanta Magazine, 1 June 2022 Then an undergraduate at Duke, Church typed into a computer all the transfer RNA sequences that were available at the time and folded each one into a three-dimensional structure, as RNA molecules were known to do. —Ed Regis, Discover Magazine, 24 June 2010 Founded in 2018, Alltrna (pronounced All-terna) aims to understand a molecule known as transfer RNA to try to treat a broad range of genetic diseases. —BostonGlobe.com, 9 Nov. 2021 The assortment included transfer RNA (tRNA) molecules, which are important for ferrying the amino-acid building blocks of proteins to the ribosomes. —Roxanne Khamsi, Scientific American, 17 June 2020 For example, most viruses lack aminoacyl tRNA synthetase enzymes, which shuttle amino acids onto transfer RNA molecules; these in turn make their way to the ribosome, dropping off their cargo to build proteins from the chains of amino acids. —Jeffrey Marlow, Discover Magazine, 20 Apr. 2017
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'transfer RNA.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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