Glucose Is a Six- Carbon Sugar That Diffuses Slowly Through

question 49

Multiple Choice

Glucose is a six- carbon sugar that 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. Given this information, which transport mechanism is most probably functioning in the intestinal cells?

• A) Simple diffusion
• B) Osmosis
• C) Exocytosis
• D) Aquaporin transport
• E) Facilitated diffusion

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