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QUESTION
Q181) Optimum pH for enzyme trypsin is .... [ Kerala 2000 ]

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Pepsin works in the highly acidic conditions of the stomach. It has an optimum pH of about 1.5.
On the other hand, trypsin works in the small intestine, parts of which have a pH of around 7.5. Trypsin's optimum pH is about 8.
Answer : (c)