Glucose Diffuses Slowly Through Artificial Phospholipid Bilayers

question 70

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

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Definitions:

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A social psychological theory suggesting that individuals or groups are unfairly blamed for problems or negative events as a means of deflecting attention or responsibility from the actual causes.

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Puzzle

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