What have we learned about RNA structure and function so far ... types of rRNA genes that give rise to four rRNA species: the 28S, 5.8S, 5S, and 18S rRNAs. Both the eukaryotic and prokaryotic ...

Ribosomes are composed of two subunits, the small and large subunits, each containing specific rRNA molecules. The main types of rRNA include: Small Subunit rRNA: In prokaryotes, the small subunit ...