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Q. |
Mucous presents on the surface of the mucosa of the stomach,smal and large intestine is: |
A. | Resistant to enzymes secreted into the lumen of the gastrointestinal tract. |
B. | Alkaline, and thus a poor buffer for alkaline foods. |
C. | A non-amphoteric protein. |
D. | Easily removed from the surface of the stomach by the gastric secretions during the gastric phase of digestion. |
Answer» A. Resistant to enzymes secreted into the lumen of the gastrointestinal tract. |
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