Question

1. What structural features do a triacylglycerol and a phosphoacylglycerol have in common? How do their structures differ?

2. How does the chemical structure of steroids differ from that of other lipids?

3. Compare and contrast the two categories of membrane-associated proteins. Which one is bound more tightly to the membrane?

4. What are the polar and non-polar portions of each of the following lipids?

Triacyglycerol-

Sphingolipid-

Cholesterol-

5. Describe the structures in saturated, monounsaturated, and polyunsaturated fatty acids. Discuss how these structures contribute to the rigidity or fluidity of the lipid bilayer.

6. Complete the table: For each class of lipids on the left, put a