RNA chemistry. Ribozyme self-replication?
Cech
T R
TR
D000818:Animals; D005075:Biological Evolution; D008957:Models, Genetic; D012326:RNA Splicing; D016337:RNA, Catalytic; D012335:RNA, Ribosomal / Q000235:genetics / Q000378:metabolism*; D013698:Templates, Genetic; D013768:Tetrahymena / Q000235:genetics
D016337:RNA, Catalytic; D012335:RNA, Ribosomal