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Biochemistry CH 5

Terms in this set (9)

Fatty acids
amphiphatic molecule
-long hydrophobic tail with hydrophilic carboxyl head
Micelle formation
Concentration dependent

CMC point- critical micelle concentration point- threshold that allows formation of micelle structures
-every amphiphatic molecule has a CMC point
Double bonds in naturally occurring unsaturated fatty acids
cis conformation
Fatty acids differ from one another in:
1. Length of the hydrocarbon tail
2. Degree of unsaturation (double bond)
3. Position of the double bonds in the chain
Nomenclature of FA
-Most fatty acids have 12-20 carbons
-Most chains have an even number of carbons (synthesized from 2-carbon units)
-IUPAC nomenclature: carboxyl carbon is C1
-Common nomenclature: alpha, beta, gamma...
-Carbon farthest from carboxyl is omega
lauric acid
Saturated
12:0
Myristic Acid
saturated 14:0
palmitic acid
saturated 16:0
stearic acid
Saturated
18:0
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