BIO 140 Chapter Notes - Chapter 5: Facilitated Diffusion, Passive Transport, Active Transport
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Answer each question from the powerpoint case study here. Cq#4: c- all of the molecules will move so that red and blue will become equal on both sides. Cq#6: c- water will move in both directions, but more water will move inside. Compare and contrast: what are the characteristics of passive vs. Facilitated diffusion is when a molecule moves through a membrane transporter and down a concentration gradient. Passive transport is movement of molecules into and out of a cell without the assistance of energy. Facilitated diffusion is a type of passive diffusion. Active transport occurs when molecules are moving against a concentration gradient requiring an input of energy.
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