Assertion: brown algae's cell wall | /r/HasProperty | constructed of cellulose
Facets:
value: with some incorporation of hemicellulose
type: OTHER
value: with calcium carbonate in some species
type: OTHER
value: mostly
type: DEGREE
Source sentences:
text: The dinoflagellates have cell walls constructed of cellulose, and have two flagellae.
text: The cell walls of green algae are mostly constructed of cellulose, with some incorporation of hemicellulose, and calcium carbonate in some species.
text: Brown algae have cell walls constructed of cellulose and polysaccharides known as alginic acids.