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C - Glucose Amino Acids Peptides Vitamins etc Active...

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C. Final breakdown and uptake occurs in brush border (microvilli). Intestinal cells are joined by "tight junctions", so there is no possible movement between cells. All movement must pass through cells (through cytoplasm). This requires specific mechanisms. Molecule General Mode of Transport Fructose Diffusion into epithelial cells, through to capillaries
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Unformatted text preview: Glucose, Amino Acids, Peptides, Vitamins, etc. Active transport against concentration gradients into epithelial cells Facilitated transport out of cells and diffusion into capillaries. Fat Movement into cells as micelles Movement out of cells as chylomicrons Movement into lacteal (lymph system)....
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