3. Write the predominant structure of glycylglycine at (a) pH = 1.5 (the approximate pH of stomach acid), and (b) pH = 7.4 (normal blood pH) Transcribed Image Text:3. Write the predominant structure of glycylglycine at (a) pH = 1.5 (the approximate pH of stomach acid), and (b) pH = 7.4 (normal blood pH) AZA