Organic Chemistry 354 Quiz - December 9, 1997

Dr. Sundin

1. Draw structures of four different forces (attractions) responsible for maintaining the conformation of an enzyme: Answer 1, Answer 2, Answer 3, Answer 4, Answer 5

2. Suggest why the optical activity of an enzyme would change if the pH changed. Answer

3. Speaking broadly of all enzymes, briefly list three different sub-functions that portions of the enzyme might do as the enzyme performs its overall function. Answer

4. Amino acids have either polar or nonpolar groups attached to the alpha carbon. Do you think that the amino acids on the outside of the enzyme have polar or nonpolar groups sticking out of the enzyme. Briefly explain your rational. Answer

5. Give the structure of:

a. A hydrolyzable lipid. Answer

b. A non-hydrolyzable lipid. Answer