Assertion: choline | /r/AtLocation | some form in all cells
Facets:
value: in all cells
type: LOCATION
Source sentences:
text: Choline is present in some form in all cells, predominantly as one of the choline-phospholipids phosphatidylcholine, lysophosphatidylcholine, choline plasmalogen, platelet-activating factor, or sphingomyelin.