Pepsin is a digestive enzyme that is found in the stomach, where the pH level is less than 3. Trypsin is a digestive enzyme that is found in the small intestine, where the pH level is slightly above neutral. The graph in this figure shows the activity of these enzymes. What would happen if pepsin was placed in the small intestine, and trypsin was placed in the stomach?Multiple ChoiceBoth enzymes would function normally.Pepsin would not function but trypsin would function.Pepsin would function but trypsin would not function.Both enzymes would stop functioning.
Question
Pepsin is a digestive enzyme that is found in the stomach, where the pH level is less than 3. Trypsin is a digestive enzyme that is found in the small intestine, where the pH level is slightly above neutral. The graph in this figure shows the activity of these enzymes. What would happen if pepsin was placed in the small intestine, and trypsin was placed in the stomach?Multiple ChoiceBoth enzymes would function normally.Pepsin would not function but trypsin would function.Pepsin would function but trypsin would not function.Both enzymes would stop functioning.
Solution
Both enzymes would stop functioning.
This is because each enzyme is adapted to work best at a specific pH level. Pepsin works best in the acidic environment of the stomach (pH less than 3), while trypsin works best in the slightly alkaline environment of the small intestine (pH slightly above 7). If they were placed in environments with pH levels outside their optimal range, their activity would be significantly reduced or they might stop functioning altogether.
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