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| Q. |
If the stomach did not produce any hydrochloric acid, which enzyme will not function? |
| A. | Ptyalin |
| B. | Rennin |
| C. | Pepsin |
| D. | Lipase |
| Answer» C. Pepsin | |
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Explanation: Hydrochloric acid converts pepsinogen into an enzyme called pepsin. When food enters the stomach, hydrochloric acid production increases and the pH may fall to as low as 1 or 2, a very acidic condition. |
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