1.3 components + functions of the plasma membrane Flashcards

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1
Q

name 5 main components of plasma membrane

A
  • phospholipids
  • protein channel
  • protein carrier
  • glycoproteins
  • glycolipids
  • cholesterol
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2
Q

what is the function of phospholipids

A
  • form fluid bilayer that allows endocytosis + exocytosis to occur
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3
Q

protein channel function

A
  • intrinsic protein
  • usually tube like structure, transport molecules too large (or hydrophobic) to pass through bilayer
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4
Q

protein carrier function

A
  • usually intrinsic
  • active sites specific to certain molecules, molecules then transported through membrane
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5
Q

glycoprotein function

A
  • extrinsic proteins which have been glycosylated
  • cell receptor sites (for hormones+drugs+immune system)
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6
Q

glycolipid function

A

cell signalling

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7
Q

Cholesterol function

A
  • steroid
  • provides stability, reduces fluidity of membrane
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8
Q
A
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