The epithelial cells that line the small intestine are adapted for the absorption of glucose. Explain how.

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The epithelial cells that line the small intestine

·         Microvilli;

·         Large/increased surface area;

·         Many mitochondria;

·         (Mitochondria/respiration) produce ATP / release or provide energy (for active transport);

·         Carrier proteins for active transport;

·         Channel / carrier proteins for facilitated diffusion;

·         Co-transport of sodium (ions) and glucose or symport / carrier protein for sodium (ions) and glucose;

·         Membrane-bound enzymes digest disaccharides / produce glucose

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