any of various nucleic acids that contain ribose and uracil as structural components and are associated with the control of cellular chemical activities
RNAi [,är-,en-,ā-ī] -n
rna interference
RNA interference -n
a posttranscriptional genetic mechanism that suppresses gene expression and in which double-stranded RNA cleaved into small fragments initiates the degradation of a complementary messenger RNA
a technique that artificially induces RNA interference
RNA polymerase -n
any of a group of enzymes that promote the synthesis of RNA using DNA or RNA as a template
RN·ase [,är-'en-,ās, -,āz] -n
ribonuclease
RNA virus -n
a virus (as a paramyxovirus or a retrovirus) whose genome consists of RNA