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13 Cards in this Set
- Front
- Back
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What are the four major roles of fatty acids?
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1 fuel molecules
2 building blocks of phospholipids and glycolipids 3 signal to membrane localize proteins 4 precursors for hormones and second messengers (5 components of membranes) |
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messenger: steroid hormones
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long range intercellular messengers
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messenger: prostaglandins
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short range inter and intracellular messengers
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messenger: diacylglycerols
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intracellular
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where do we find phospholipids?
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membrane lipid
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where do we find glycolipids?
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sugar containing lipids
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chlolesterol
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lipid based on a steroid
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what is phosphotidylserine?
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10% of phos in mammals
located in the inner leaflet of plasma membrane PS moved to outer during apoptosis early marker of apoptosis |
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synthesis of phosphatidylserine
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from pc or pe
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synthes of phosphatidylcholine
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act from ALCOHOL from PE
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synthesis of phosphatidylinositol and diphosgle (cardiolipin)
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activated DAG
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What is the cause of Respiratory distress syndrome?
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failure of biosynthesis of dipalmytoyl phosphate, which keep the pressure in lungs high from collapsing
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what is the cause of tay sachs disease?
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failure of degredation of gangliosides; terminal N-acetylgalactose amine is slow to come off or none at all
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