Ribonucleic acid. Linear, generally single-stranded polymer, composed of ribose nucleotides, that is synthesized by transcription of DNA or by copying of RNA. The three types of cellular RNA – mRNA, rRNA, and tRNA – play different roles in protein synthesis.
Caenorhabditis elegans (Caeno, recent; rhabditis, rod; elegans, nice), is a free-living, non-parasitic soil nematode that can be safely used in the laboratory and is common around the world. (Blumenthal, T., Meyer, B.J., Riddle, D.L., Priess, J.F. (Ed.). (1997). C. elegans II. New York, NY: Cold Spring Harbor Laboratory Press. p. 1)