Assertion: cell membrane | /r/HasAspect | many proteins
Facets:
Source sentences:
text: The cell membrane has many proteins, as well as other lipids (such as cholesterol), that are associated with the phospholipid bilayer.
text: The cell membrane has many proteins, as well as other lipids (such as cholesterol), that are associated with the phospholipid bilayer.
text: In addition to phospholipids and cholesterol, the cell membrane has many proteins detailed in the next section.