Organic Chemistry III

Professor Carl C. Wamser

Chem 336 - Spring 2009

Pre-Quiz 26

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

1. Acetyl coenzyme A is converted to malonyl coenzyme A by

a. Claisen condensation
* b. addition of CO2
c. hydrolysis
d. esterification
e. decarboxylation

2. A terpene with 15 carbon atoms would be called a

a. monoterpene
b. diterpene
c. triterpene
d. tetraterpene
* e. sesquiterpene

3. The charge on a phosphatidylcholine at pH 7 would be predominantly

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

4. The most polar group in cholesterol is located on ring

* a. A
b. B
c. C
d. D
e. E

5. The Index of Hydrogen Deficiency for progesterone is

a. 4
b. 5
c. 6
* d. 7
e. more than 7