Organic Chemistry III
	Professor Carl C. Wamser
	Chapter 26 Pre-Quiz	Chem 336 - Spring 2005

(must be done in WebCT before Mon., May 16, 8:30 am)

1. In a characteristic steroid structure, the five-membered ring is designated

a. A  
b. B  
c. C  
* d. D  
e. E

2. Pinene is an example of a

* a. monoterpene  
b. diterpene  
c. triterpene  
d. sesquiterpene  
e. fatty acid

3. Linolenic acid has unsaturation at positions

a. 9  
b. 9 and 12  
* c. 9, 12, and 15  
d. 9,12, 15, and 18  
e. 5, 8, 11,and 14

4. At pH 7, leukotriene C4 would be expected to have a net charge of

a. 0  
b. +1  
c. +2  
d. -1  
* e. -2

5. An example of a selective COX-2 inhibitor is

a. aspirin  
b. naproxen  
* c. Vioxx  
d. ibuprofen  
e. oleic acid