1.

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» B. Alkaline, and thus a poor buffer for alkaline foods.


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