BI-216
Mitochondria and ribosomes
Biology · Secondary 3 · Medium · Mitochondria and ribosomes
In the small intestine, epithelial cells lining the villi contain many mitochondria. What is the main reason for this adaptation?
- To store undigested food inside the epithelial cells.
- To release energy needed for active transport of nutrients.
- To produce mucus that lubricates the food bolus.
- To secrete digestive enzymes into the intestinal lumen.
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