1 - UCSB
Indicate which class of lipids each of the following belongs to.
a. [pic]
b. [pic]
c. [pic]
d. [pic]
e. [pic]
f. [pic]
g. [pic]
h. [pic]
1. What fatty acids are produced by the hydrolysis of 2-oleyl-1,3-distearylglycerol?
2. Spermaceti is a from a sperm whale which contains as a major component hexadecyl hexadecanoate. Draw hexadecyl hexadecanoate.
3. Cembrene is a .
[pic]
4. (Ch 26 # 1 & 3) Which of each of the following pairs of fatty acids or fats would have the higher melting point and explain why.
a. palmitic acid & stearic acid
b. palmitic acid & palmitoleic acid
c. oleic acid & linoleic acid
d. glyceryl tripalmitoleate & glyceryl tripalmitate
Identifying Lipids (nonpolar compounds)
- Fatty acids
- Fats
- Oils
- Waxes
- Phospholipids (membrane lipids)
o Phosphoacylglycerol:
o Sphingolipid:
- Prostaglandins
- Terpenes
- Steroids
Mechanisms:
Oxidation of fats and oils by oxygen
Synthesis of prostaglandins from arachidonic acid
Chemistry of vision – isomerization of retinal
Biosynthesis of terpenes
Synthesis of isopentyl pyrophosphate from acetyl-CoA and malonyl-CoA
Synthesis of dimethylallyl pyrophosphate from isopentyl pyrophosphate
Synthesis of terpenes from isopentyl pyrophosphate & dimethylallyl pyrophosphate
Synthesis of cholesterol from squalene
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