transfer ribonucleic acid
Also found in: Medical, Acronyms.
transfer ribonucleic acid[′tranz·fər ¦rī·bō·nü¦klē·ik ′as·əd]
(cell and molecular biology)
The smallest ribonucleic acid molecule found in cells; its structure is complementary to messenger ribonucleic acid and it functions by transferring amino acids from the free state to the polymeric form of growing polypeptide chains. Abbreviated t-RNA.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.