Monocistronic RNA is a single-stranded RNA molecule that codes for a single protein. Synonyms for monocistronic RNA include single-gene RNA, unigene RNA, and one-gene RNA. These synonyms highlight the fact that monocistronic RNA carries the genetic information for one specific gene or protein. This is in contrast to polycistronic RNA, which carries multiple genes or protein-coding sequences on the same RNA molecule. Monocistronic RNA is essential for normal cellular function, and mutations in monocistronic RNA can lead to various genetic disorders. Understanding the importance of monocistronic RNA and its synonyms is crucial for research in genetics, medicine, and biotechnology.