activator ribonucleic acid

activator ribonucleic acid

[′ak·tə‚vā·tər ¦rībō¦nū¦klē·ik ′as·əd]
(genetics)
Ribonucleic acid molecules which form a sequence-specific complex with receptor genes linked to producer genes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.