Assertion: membrane's lipid | /r/HasProperty | fat
Facets:
Source sentences:
text: It contains enzymes and produces and digests lipids (fats) and membrane proteins; smooth ER buds off from rough ER, moving the newly-made proteins and lipids to the Golgi body and membranes
text: The cell membrane is composed of a double layer (bilayer) of special lipids (fats) called phospholipids.