Optimal pH can be defined as the pH at which the activity of an enzyme is at its greatest.
1. Based on the given graph, it can be seen that the enzyme pepsin functions its best at the pH of approximately 3. Thus, it can be said that its optimal pH is 3.
2. The given graph shows that the lipase enzyme functions at its best at the pH of approximately 8. Thus, its optimal pH is 8.
3. Lipase enzyme is found in stomach and is released by the pancreas along with the pancreatic juice.
https://brainly.com/question/4471369
