Problem:
When environmental conditions change outside of the optimal range, the enzyme is denatured and no longer catalyzes the reaction. Using the graph, answer the questions below about denaturation of enzymes. In the human body, the enzyme pepsin will denature and not catalyze when the pH of the stomach is above Select an option The enzyme trypsin will denature and not catalyze when the pH of the intestine is below Select an option A graph titled "Optimal pH for two enzymes" shows the relationship between the rate of reaction and pH. The pH is on the x-axis of the graph and ranges from 0 to 10 in increments of 1. The rate of reaction is on the y-axis. A first bell-shaped curve starts at 0 and ends at 4 with its maximum peak at 2 and shows the optimal pH for Pepsin, the stomach enzyme. The second bell-shaped curve starts at 6 and ends at 10 with its maximum peak at 8 and shows the optimal pH for Trypsin, the intestinal enzyme.