Te enzyme trypsin aids in protein digestion in the small intestine. Te relative
activity of trypsin at diferent pH values is shown in Figure 1.
Which of the following statements best explains the activity levels of trypsin shown
in Figure 1?
(A) The small intestine releases inhibitor molecules that block the activity of
trypsin unless it is at its optimum pH.
(B) The number of efective collisions between trypsin and its substrate increase
at higher pH values.
(C) As pH values increase, the substrate concentration decreases, leading to an
eventual decline in the rate of the trypsin-catalyzed reaction.
(D) At extremely low pH values, trypsin is denatured and cannot function
efciently