THE ANSWER IS C.) MITOTIC DIVISON
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Answer:
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https://www.sciencedirect.com/topics/engineering/nitrogen-source
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Explanation:
In contrast to the stratified squamous epithelium of the skin, the intestinal barrier is composed of a single layer of columnar epithelial cells However, this single layer of intestinal epithelial cells is made of diverse cell types with absorptive, secretory, and immune function