Glucose Diffuses Slowly Through Artificial Phospholipid Bilayers

question 22

Multiple Choice

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. Using this information, which transport mechanism is most probably functioning in the intestinal cells?

• A) simple diffusion
• B) facilitated diffusion
• C) phagocytosis
• D) exocytosis
• E) active transport pumps

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Definitions:

Offshoring

The relocation of business processes by a company or subsidiary to another country. Offshoring is different than outsourcing because the company retains control of the offshored processes.