Use the graph to answer; the graph shows the rate of enzyme activity in relation to pH for two enzymes - pepsin and pancreatic trypsin. Both enzymes break down proteins in food. Pepsin works within the stomach. Trypsin works in the small intestine.

A. What does the graph indicate about the pH of the stomach and small intestine?

B. The contents of the stomach are released into the small intestine. how does this affect the function of the pepsin that is included with the stomach contents?

C. What is the advantage to having two different protein-digesting enzymes, rather than just one?​