Assertion: evolution's theory | /r/CapableOf | propose simpler pre-rna world
Facets:
value: in response
type: MANNER
value: with key functional roles
type: OTHER
Source sentences:
text: In response, recent theories have proposed a simpler pre-RNA World with key functional roles played by other molecules (pantetheine or coenzyme A, pyranosyl RNA,...), and with metabolic energy sources (such as high-energy thioester bonds) that would have been easier to use, although less plentiful.