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UT BIO 311C - More Diffusion
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BIO311C 1nd Edition Lecture 17 Outline of Last Lecture Fluidity of the membrane Outline of Current Lecture More diffusion Current LectureDiffusion:Random movement of molecules towards state of equilibriumAlcohol: Moves into the cell No system to stop alcohol from entering the cell – the reason of getting drunk Facilitated diffusion:Diffusion facilitated by proteins Osmosis: Water flows toward high solute concentration Water toxicity: Too much water Danger to professional athlete or unwary housewives Gatorade can help solve the problem Aquaporins:Named by Peter Agre Water channel proteins These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Carrier proteins:Proteins change shape to change concentration gradients across membrane Equilibrium – rate of diffusion = 0 Constant rate of diffusion – saturated sites of


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