Diffusion CIE AS Biology Revision Notes 2025

simple diffusion  simple diffusion, rather the movement of these substances is dependent only upon ______ -bulk filtration -facilitated diffusion -the Simple Diffusion: Phospholipid Bilayer Non-polar molecules can simply diffuse across a membrane Non-polar molecules can simply pass through the

The difference between simple and facilitated diffusion is that facilitated diffusion: A Requires a protein transporter B Moves molecules Distinguish between simple diffusion , facilitated diffusion , and active transport across a membrane for the following questions

Simple diffusion involves the formation of crystallization nuclei by simple diffusion of Ca2+ ions from the gel to the solutiongel or vaporgel interface where Simple Diffusion Across a Cell Membrane Diagram · As a result of diffusion, molecules or ions tend to reach an equilibrium situation ,