The basement membrane is composed of this material. For 10 points each:
[10m] Name this combination of polysaccharides and fibrous proteins found between cells that provides physical support to cells.
ANSWER: extracellular matrix [or ECM]
[10h] The non-fibrous component of the extracellular matrix is a gel given this name. It contains many glycosaminoglycans.
ANSWER: ground substance
[10e] This most abundant protein in humans composes most of the fibers in the extracellular matrix.
ANSWER: collagen
<AW, Biology>