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Biology  /  Bio 0473  ·  Capstone · 2–3 minutes

Diagnosing a Membrane Transport Failure

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This capstone diagnoses which membrane transport mechanism has failed in each of three malfunctioning cells, using only the transport concepts this unit's closing block has established.

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A cell can transport water, ions, and solutes normally while still failing at endocytosis, since bulk transport depends on a distinct membrane-folding mechanism that ordinary diffusion and carrier proteins do not use.