Assertion: cell membrane | /r/MadeOf | protein
Facets:
value: on its inner or outer surface
type: LOCATION
Source sentences:
text: Since proper cell functioning depends on the movement of nutrients and useful materials into the cell and the removal of waste products from the cell, the cell membrane also contains proteins and other molecules that perform a wide variety of these duties.
text: The cell membrane contains several proteins that are either completely or partially embedded.
text: A cell membrane also contains proteins, either on its inner or outer surface – called peripheral proteins – or embedded in the membrane and called integral proteins.