Assertion: lipid's head group | /r/HasProperty | choline
Facets:
value: in mammals
type: OTHER
Source sentences:
text: Sphingolipids are based on a ceramide, and in mammals the head group is either choline (sphingomyelin), or in the case of the glycosphingolipids the phosphate is replaced with glucose, which is further elaborated to make a wide range of glycolipids.