: any of various nucleic acids that contain ribose and uracil as structural components and are associated with the control of cellular chemical activities compare messenger rna, ribosomal rna, transfer rna

Examples of RNA in a Sentence

Recent Examples on the Web Kasson is waiting for an RNA analysis of the fungus. Stephen Sorace, Fox News, 20 June 2024 Gene Sequencing – Reading Life’s Recipes All living things contain genetic materials – DNA and RNA – that provide the hereditary information needed to replicate themselves and make proteins. Marc Zimmer, Discover Magazine, 10 June 2024 And so for us, transcription and translation of the DNA and RNA was an obvious candidate. Quanta Magazine, 6 June 2024 In a liquid biopsy, a patient’s blood sample is sent to a lab, where it is analyzed for biomarkers such as proteins, DNA, RNA, and other molecules that can be measured and correlated with possible disease. Charlotte Hu, Vox, 4 June 2024 Author Philip Ball invites us into the ongoing RNA revolution. Laura Helmuth, Scientific American, 14 May 2024 This Nobel Prize-winning science works by degrading the biological blueprints that RNA use to make proteins — without the genetic instructions, the troublesome proteins are never made and the gene is essentially muted. Allison Deangelis and Elaine Chen, STAT, 23 May 2024 The newest version of the software can predict not only the shape of proteins, but also the structures of DNA, RNA and other molecules, such as ligands. Christian Thorsberg, Smithsonian Magazine, 16 May 2024 Nor could AlphaFold 2 predict protein interactions with other kinds of molecules, such as DNA, RNA, ligands, and ions, that are found inside living things. Jeremy Kahn, Fortune, 8 May 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'RNA.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

ribonucleic acid

First Known Use

1942, in the meaning defined above

Time Traveler
The first known use of RNA was in 1942

Dictionary Entries Near RNA

Cite this Entry

“RNA.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/RNA. Accessed 4 Jul. 2024.

Kids Definition

: any of various nucleic acids that are typically found in the cytoplasm of cells, are usually composed of a single chain of nucleotides, differ from DNA in containing ribose as the five-carbon sugar instead of deoxyribose, and that function mostly in protein synthesis

called also ribonucleic acid

compare messenger rna, ribosomal rna, transfer rna

Medical Definition

: any of various nucleic acids that contain ribose and uracil as structural components and are associated with the control of cellular chemical activities

called also ribonucleic acid

see messenger rna, ribosomal rna, transfer rna

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