Lipids
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16 Terms
Elements involved
C, H, O, P
Monomers of Lipids
Glycerol and fatty acids
Polymer of Lipids
Does not contain true polymer
Polarity
Nonpolar (hydrophobic)
Types of lipids
Fats, phospholipids, and steroids
Fat
composed of glycerol and 3 fatty acids
fatty acids
long hydrocarbon chains (carboxyl group at one end)
glycerol
classified as an alcohol (hydroxyl groups)
Fats structure
3 fatty acids joined to a glycerol via ester linkage
ester linkage
bond between hydroxyl and carboxyl group
Saturated fatty acids
no double bonds - saturated with hydrogen
Unsaturated fatty acid
contains one or more double bonds
Phospholipids
Major component of cell membranes
Phospholipids structure
two fatty acids attached to glycerol and phosphate assembled as bilayer in H2O
Polarity of phospholipids
Hydrophobic tails and hydrophilic heads
Steroids
Four fused rings
Unique groups attached to the ring determine type of steroid
Testosterone
Note 
Flashcards (56)