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Biochem notes
| Question | Answer |
|---|---|
| What characteristics do glycolipids have? | 1. Sphingosine platform 2. N-linked fatty acid 3. Hydroxyl group linked to a sugar(s) |
| How are glycolipids different than sphingomyelins? | Glycolipids have a sugar group ether-linked to its hydroxyl group, instead of a phosphorylcholine group that is ester-linked in sphingomyelins. |
| How many sugars do cerebrosides have? And where is it attached? | Cerebrosides have simple monosaccharides (1 sugar like glucose or galactose) and it is an ether linkage |
| Check to make sure glycolipids have ether-linkages and sphingomyelins have ester-linkages - | and check why that is! |
| How are gangliosides different than cerebrosides? And what category are these two types in? | Gangliosides have branched chains of multiple sugars instead of a monosaccharide. |
| what side of the membrane do sugar residues (glycolipids) go on? | On the extracellular side of the membrane. |
| What does amphipathic mean? And where is this characteristic found? | Is partly hydrophilic and partly hydrophobic. Amphipathic molecules make up membrane lipids. |
| What 2 specific types of molecules are amphipathic? | Phosphoglycerides and sphingomyelin |
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