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Question: tough topic module 316 in carriermediated transport integral proteins facilitate...

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Tough Topic: Module 3.16 In carrier-mediated transport, integral proteins facilitate membrane passage Classify each example as facilitated diffusion, active transport, or secondary active transport. View Available Hint(s) SGLT Involved in reabsorption of glucose in the kidneys. Na moves with its gradient into cells, forcing glucose to move against its gradient. Proton pump: Produces stomach acid GLUT: Allows glucose to enter cells with its gradient. by spending ATP to move H into the lumen of the stomach Chloride shift Red blood cells produce bicarbonate ions as a way to carry CO2. As bicarbonate concentration increases inside the cell, the ions exit the cells through a carrier protein, which also pulls chloride ions into the cell. Calcium channels: Allow calcium ions to enter cardiac muscle cells with their gradient, stimulating contraction. OATs: Secrete wastes in the kidneys by trading them for other substances Facilitated diffusion Active transport Secondary active transport

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