doc, 149 KB
doc, 149 KB
A worksheet aimed at advanced level biology students that reviews the key points about facilitated diffusion across a membrane. The worksheet includes reference to factors that determine whether a substance can pass freely across a membrane, the nature of carrier and channel proteins, the requirement of ATP and graphs comparing rate of uptake via simple diffusion versus facilitated diffusion (this is an oft-asked exam question, so useful for students to review this in lessons).

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