The pH activity profile of lysozyme is shown below. Based on this the optimum pH occurs at 5.2. 100 50 6. 8. 10 pH Lysozyme has two amino acids that influence its activity, Aps52 (pKa=4.5) and Glu35 (pKa=5.9). Based on the above information, answer the following questions. The percent of the Glu35 y-COOH in the protonated form at pH 5.2 is %. O A, 20 B 17 O 83 D 30 O E, 80 Activity (% of maximal)