This week, Emma's got the lowdown on facilitated diffusion and polarized membranes for your AP Bio exam. She looks at how molecules diffuse through carrier proteins or channel proteins in membranes. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A Level Biology exam.
Let other students help you revise for your A Level Biology exams. In this series, students break down complicated revision subjects to its core components helping you rock your exams. Find your FREE online course here: http://bit.ly/2TaDFD8