Assertion: membrane's structure | /r/HasProperty | unique
Facets:
value: often
type: DEGREE
value: to specific bacterial sub-species
type: TRANSITIVE-OBJECT
Source sentences:
text: The cell membrane has a unique structure which has been explained by what is known as Fluid Mosaic Model.
text: The chemical structure of the outer membrane's lipopolysaccharide is often unique to specific bacterial sub-species and is responsible for many of the antigenic properties of these strains.