Chem 336 - Spring 2002
Organic Chemistry III
Dr. Carl C. Wamser

Chapter 26 Pre-Quiz

In order to do this pre-quiz, you must log in to the class WebCT site.

This pre-quiz must be submitted via WebCT before Monday morning, May 20, 8:30 am.

1. A compound with the molecular formula C51 H88 O6 could be a

1) carbohydrate

2) phospholipid

3) saturated fat

* 4) polyunsaturated fat

5) none of the above

2. A triterpene consists of how many isoprene units?

1) 3

2) 4

3) 5

* 4) 6

5) more than 6

3. Which of the following steroids is a phenol?

1) ergosterol

2) cortisone

3) testosterone

* 4) estradiol

5) androstenedione

4. Cholesterol has how many stereocenters?

1) 6

2) 7

* 3) 8

4) 9

5) more than 9

5. At pH 7, lecithin would be expected to have mainly what charge?

* 1) 0

2) +1

3) +2

4) -1

5) -2