Assertion: algae's cell wall | /r/MadeOf | cellulose
Facets:
Source sentences:
text: similar to green algae in that they store carbohydrates as a modified form of starch, have cell walls containing cellulose, and produce chlorophlly a. Because it can be red or brown
text: Use chlorophyll a and b, use starach as a storage carbohydrate, and cell walls contain cellulose.
text: Green algae usually have cell walls containing cellulose, and undergo open mitosis without centrioles.