Assertion: melanin | /r/HasProperty | ubiquitous pigment
Facets:
value: in living organisms
type: LOCATION
value: nearly
type: DEGREE
value: in biology
type: LOCATION
Source sentences:
text: Melanin is a nearly ubiquitous pigment in biology.
text: Melanin is a ubiquitous pigment in living organisms with multiple important functions, yet its structure