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. 10
d. 2
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Explanation:

Enzymes function best at their optimal pH. The stomach is acidic (pH < 7). Options A (13) and C (10) are basic (pH > 7), B (7) is neutral. Only D (2) is acidic, matching the stomach's environment.

Answer:

D. 2