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what are the two main components in the fiber composite?
proteins and proteoglycans
what does the fiber composite provide?
structural support
what is collagen?
a glycoprotein that dominates the ecm
what does ground substance do?
it fills in gaps with proteoglycans
what tissues do the varied composition and distribution make?
bone, skin, and further specialization
many unique cell types work together as ___ units to function as a ___.
multicellular and tissue
what does no intracellular to extracellular connections result in?
cell death
what do transmembrane proteins do?
they connect the cytoskeleton to the ecm
what does the ecm contain more of than the cell wall?
proteins
if the ecm is made of lots of proteins what intracellular structures are involved in forming this ecm component?
rough er, than golgi apparatus, then secreted by exocytosis