text: This article also describes research by Christof Biebricher showing the formation of RNA molecules 400 bases long under freezing conditions using an RNA template , a single-strand chain of RNA that guides the formation of a new strand of RNA .
simplified: This article also describes research showing the formation of RNA molecules 400 bases long under freezing conditions using an RNA template , a single-strand chain of RNA that guides the formation of a new strand of RNA .