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5 Cards in this Set
- Front
- Back
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what are the two properties of cholesterol molecules
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-inhibit freezing by break up groups
-provide longitudinal rigidity |
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lipid rafts function in protein packaging and transport
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they aggregate long transmembrane proteins and favor the formation of transport vesicles
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how does the composition of lipid rafts facilitate communication between the two monolayers
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long sphingolipid tails make contact with ones on the opposite monolayer
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how do lipid molecules of the inner monolayer facilitate cell signalling
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1. phosphorylation of inosital lipid by PI-3 kinase (in response to extracellular signal) recruits signaling molecules
2. phospholipase cleaves head of phospholipid which diffuses into cytosol |
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how do phospholipids function in apoptotic signaling
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cytosolic lipids flip to the extracellular side
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