HOMEWORK 2
BIOL/CHEM 5310
due Tuesday, September 10, 2002

1. VVP text, Ch. 1,  p. 21, Problems 7, 9.

2. Calculate the equilibrium constant for the hydrolysis of fructose-6-phosphate to fructose and P_i, if DG° = -13.8 kJ/mol. (25°C, pH 7)

3. Draw the structure of the following oligopeptide in its predominant form at pH 8.0:   His-Pro

4. Identify 3 pairs of amino acids that differ from each other by a methyl or methylene group.

5. Draw the chemical structures of the side chains of Ser and Tyr engaged in a hydrogen bond.

6. Examine the short peptide shown in the Chime exercise and answer the two questions.

Comments/questions: svik@mail.smu.edu

Copyright 2002, Steven B. Vik, Southern Methodist University