The Small Intestine Is the Site of Digestion and Absorption

question 24

Multiple Choice

The small intestine is the site of digestion and absorption of nutrients. A single layer of epithelial cells lines the small intestine. In the duodenum the first section of the small intestine) , these epithelial cells secrete large quantities of digestive enzymes. Which of the following features would be typical of these epithelial cells?

• A) They have larger nuclei than cells that secrete large quantities of lipids.
• B) They have more smooth endoplasmic reticulum than rough endoplasmic reticulum.
• C) They contain large numbers of lysosomes.
• D) They contain large quantities of rough endoplasmic reticulum.

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