Origins of Life, RNA world or alternative RNA world

Da Yong Lu^1*, Ting Ren Lu² and Hong-Ying Wu²

¹School of Life Sciences, Shanghai University, Shanghai 200444, PR China

²College of Science, Shanghai University, Shanghai 200444, PR China

^*Corresponding Author: Da Yong Lu, ph D, School of Life Sciences, Shanghai University, Shanghai 200444, PR China Email: