Assertion: membrane's lipid | /r/CapableOf | form bilayered vesicles
Facets:
value: in water
type: LOCATION
value: spontaneously
type: MANNER
Source sentences:
text: Lipids are known to spontaneously form bilayered vesicles in water, and could have preceded RNA, but the first cell membranes could also have been produced by catalytic RNA, or even have required structural proteins before they could form.