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Biology 201 > Cell exteriors > Flashcards

Cell exteriors Flashcards

1
Q

What is the main component of the ECM?

A

A protein called Collagen

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2
Q

What is the function of fibronectin?

A

It connects collagen to integrin

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3
Q

What is proteoglycan made of?

A

Hyaluronate and protein

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4
Q

What is the function of hyaluronate?

A

It lubricates the cell

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5
Q

What is the function of elastin?

A

It stretches to allow flexibility in ECM and tissues

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6
Q

What is the function of tight junctions?

A

They seal the cells together

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7
Q

What is the function of gap junctions?

A

They connect the cytoplasm of adjacent cells

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8
Q

What is the function of desmosomes?

A

They connect the CSK of adjacent intestinal epithelial cells

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9
Q

What is the function of hemidesmosomes?

A

They connect the CSK with the basal lamina.

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10
Q

What is procollagen and how does it become collagen?

A

Procollagen is a triple helix of proteins with loose ends and becomes collagen by having those ends trimmed

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Biology 201 (10 decks)

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