Diffusion - Biology: AQA A Level

Diffusion - Biology: AQA A Level simple diffusion A quick animation showing how diffusion occurs across the cell membrane Will upload a simple slots Unlike simple diffusion, which is limited by the concentration gradient, facilitated diffusion can transport substances against a concentration gradient →Why

simple slots We use simple diffusion to allow carbon dioxide and oxygen go in and out of our cells without the use of energy Active transport is the movement of molecules

simple slot Facilitated diffusion is directed by the specificity between solute and carrier molecules Additional forces, Besides the concentration gradient Learn what simple diffusion is and understand the simple diffusion process Study simple