CRUDE GOOP. “The prebiotic molecules were relatively small and simple compared to the macromolecules that govern contemporary life. Moreover, as prebiotic molecules did not undergo the refinement and filtering of evolutionary processes, they lacked specificity and tuning towards a defined biochemical process.”
http://www.weizmann.ac.il/molgen/Lancet/sites/molgen.Lancet/files/uploads/shenhav_lancet_core.pdf