transfer RNA

noun

, Genetics.

1. a small RNA molecule, consisting of a strand of nucleotides folded into a clover-leaf shape, that picks up an unattached amino acid within the cell cytoplasm and conveys it to the ribosome for protein synthesis. : tRNA

transfer RNA

noun

1. biochem any of several soluble forms of RNA of low molecular weight, each of which transports a specific amino acid to a ribosome during protein synthesis Sometimes shortened tot-RNA Also calledsoluble RNA See also messenger RNA genetic code

transfer RNA

/ trăns′fər /

1. See under RNA

Word History and Origins

Origin of transfer RNA¹

First recorded in 1960–65

Example Sentences

But the control molecules, another form of RNA in the human body — so-called transfer RNA, or tRNA — did not.

From New York Times

Messenger RNA, transfer RNA and ribosomal RNA were all quickly identified.

From Nature

Dr. Klug also worked on another molecule of fundamental importance, transfer RNA, and later in his career worked on proteins called zinc fingers, which are involved in switching genes off and on.

From Washington Post

And indeed, the sperm of the lazy dads were loaded with fragments of transfer RNA.

From Science Magazine

It now seems that these modifications are much less prevalent, and occur on mRNAs that structurally mimic transfer RNA.

From Nature