The following graph maps the activity levels of three different enzymes. The table lists different parts of the digestive tract and the pH values found within each section.

Identify and explain the following:

1. Identify the enzyme that would not function within the digestive tract and explain your reasoning.

2. Identify the locations of the other two enzyme and explain your reasoning.



ENZYME A ENZYME B ENZYME C



DIGESTIVE SYSTEM PH VALUES

LOCATION pH



Esophagus 7

Stomach 1-2.5

Small Intestine 6.8-7.8

Large Intestine 5.2-7.0