Protection in the Digestive Tract
Biochemistry
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Foundational Concepts
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Physiology
Q. Describe how the mucus lining in the stomach creates a “chemical barrier”:
a
It neutralizes acidic secretions during a meal (with its bicarbonate component).
b
It prevents autodigestion of the mucosa by proteases.
c
It contains lysozymes and other antibodies, which lyse bacteria and other microorganisms.
d
A and B.
e
All of the above.
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