Question

mini-quiz: ph and enzymes
pepsin is an enzyme found in your stomach. this is a very acidic environment! which of the following would be the most reasonable inference for the optimal ph of pepsin?
a. 13
b. 7
c. 2
d. 8
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Explanation:

Enzymes typically have an optimal pH that matches their environment. The stomach is acidic (pH < 7). A pH of 13 is strongly basic, 7 is neutral, 8 is slightly basic, and 2 is acidic. So pepsin, in the acidic stomach, should have an optimal pH around 2.

Answer:

C. 2