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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Facilitated diffusion is characterized by all except
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The correct answer is  This process is called passive transpo orfacilitated diffusion, and does not require energy. The solute can move "uphill," from regions of lower to higher concentration. This process is called active transpo, and requiressome form of chemical energy. Ref ganong's review of medical physiology 25e p102