PRECURSOR. “In modern organisms, DNA is the major genetic material and protein is the major functional material, both seeming indispensible. Thus, there is a dilemma for the evolution of life: “Which came first, DNA or proteins?” The RNA world hypothesis provided a possible solution to this problem: in some early stage of life, there is neither DNA nor protein but only RNA, acting as both genetic material and functional material.”
https://lnkd.in/dev3536
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022