Assertion: sponge's component | /r/HasProperty | protein
Facets:
Source sentences:
text: There are two main components of a Sponge skeleton, a protein called Spongin which forms a tough fibrous network throughout the Sponge and normally works in conjunction with the spicules.
text: There are two main components of a sponge skeleton: a protein called spongin which forms a tough fibrous network throughout the sponge and normally works in conjunction with the spicules.