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macro-lipids
unit one powerpoint three
| Term | Definition |
|---|---|
| lipids | -does not have a true polymer -nonpolar -not considered a macromolecule |
| three types | -fats -phospholipids -steroids |
| elements in lipids | -Carbon -Hydrogen -Oxygen -Phosphorus |
| fats | -glycerol -fatty acids |
| glycerol | -an alcohol -hydroxyl |
| fatty acids | -long carbon chains -has a carboxyl on one end -saturated and unsaturated -three fatty acids join glycerol in ester linkage |
| saturated fatty acids | -has no double bonds -more hydrogen |
| unsaturated fatty acids | -one or more double double bonds -less hydrogen |
| phospholipids | -major in cell membranes -two fatty acids to one glycerol and a phosphate -has a bilayer in H20 |
| phospholipid H2O bilayer | -head hydrophilic -tail hydrophobic |
| steroids | -lipids with four fused rings -unique ring groups determine type |
Created by:
26salisburb
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