Isolated C. elegans gonad with the nuclei labeled. The distal tip cell would be located to the right most of the image. From the distal tip cell end to oocytes, there are germ cells in various states of maturation. Image courtesy of the Schedl Lab.
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.