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10 Cards in this Set
- Front
- Back
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which sphingolipid is not made from fat?
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sphingomyselin
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which spingolipid makes up 25% of lipids?
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sphingomyelin
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what are the three main functions of glycosphingolipids?
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mediate, modulate, maintain
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what do glycosphingolipids mediate?
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cell-cell interactions
cell-matrix interactions cell-microbe interactions |
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what do glycosphingolipids modulate?
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antiproliferative responses (apoptosis, cell cycle arrest)
protein kinase activity growth factor receptor activity |
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what do glycosphingolipids maintain?
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structural rigidity in membranes
membrane protein conformation |
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what kind of phospholipid is phosphatidylethanolamine?
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glycerophospholipid
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what is unique about cholesterol?
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it is a common sterol, but it only has one polar region
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where on the membrane is sphingomyelin?
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exoplasmic surface
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where on the membrane is phosphatidylserine?
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cytosolic surface
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