Assertion: cell membrane's structure | /r/CapableOf | enhance ion movement
Facets:
value: via mechanisms
type: MANNER
value: greatly
type: MANNER
value: either actively
type: MANNER
Source sentences:
text: The resistance of a pure lipid bilayer to the passage of ions across it is very high, but structures embedded in the membrane can greatly enhance ion movement, either actively or passively, via mechanisms called facilitated transport and facilitated diffusion.