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Flashcards in Extracellular Structures Deck (11)
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1

What is the plant cell wall mostly made of

Cellulose (a polysaccharide)

2

What are the functions/structure of the Animal Extracellular Matrix

Maintains cell attachments, allows communication, maintains tissue integrity
Structure: secreted glycoproteins

3

What are integrins

Integral membrane proteins that link extracellular matrix to cytoskeleton

4

Collagen fibers are linked to integrins with ___________

fibronectin

5

Extracellular matrix structure is formed by ______, these also ____________

1. collagen
2. connect cells over long distances

6

Large channels that provide non-selective transport of small molecules btw cells

Gap junctions

7

What are epithelial layers

Layers of cells btw you and the environment

8

_______ cells have gap junctions

epithelial

9

__% of cancers are ______ in origin

1. 90%
2. epithelial

10

What do desmosomes allow animal cells to do

Distribute stretching forces across a tissue
connects adjacent cytoskeletons

11

What do tight junctions do

seals cells together, prevents passing of molecules/viruses/etc btw cells and environment