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Which transport mechanism is most probably functioning in the intestinal cells using this information? Glucose diffuses slowly through artificial phospholipid bilayers. The cells lining the small intestine, however, rapidly move large quantities of glucose from the glucose-rich food into their glucose-poor cytoplasm.
A. Simple diffusion
B. Phagocytosis
C. Active transport pumps
D. Exocytosis
E. Facilitated diffusion

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Answer: Option E) Facilitated diffusion

Explanation:

Facilitated diffusion engage selective transport proteins to move non-lipid soluble solutes like glucose across the lipid bilayer along concentration gradient (from high to low concentration) without the supply of energy (ATP).

Thus, transport proteins embedded in the lipid bilayer help move large quantities of glucose rapidly in intestinal cells by facilitated diffusion.