Organic Chemistry III
	Professor Carl C. Wamser
Chem 336 - Spring 2006	Pre-Quiz 26

(must be done in WebCT before Fri., May 12, 8:30 am)

1. Polyunsaturated could be used to describe which fatty acid?

a. palmitic  
b. stearic  
c. oleic  
* d. arachidonic  
e. cholesterol

2. Prostaglandin E1 has an index of hydrogen deficiency of

a. 3  
* b. 4  
c. 5  
d. 6  
e. more than 6

3. Isoborneol contains x carbon atoms, is composed of y isoprene units, and is called a z-terpene. x, y, and z are

a. 7, 1, mono  
b. 8, 2, di  
c. 8, 2, mono  
d. 10, 2, di  
* e. 10, 2, mono

4. The double bond in cholesterol is located in ring

a. A  
* b. B  
c. C  
d. D  
e. E

5. The conversion of mevalonic acid to isopentenyl pyrophospahte involves loss of

* a. C-1  
b. C-2  
c. C-3  
d. C-4  
e. C-5  
f. C-6  
g. a CH3 substituent