Facilitated Diffusion, A passive process where specific protein carriers or channels are used, Simple Diffusion, Happens through the phospholipid bilayer and limited to small particles, Co-Transport, Two different particles are transported through the same protein at the same time, Example of Co-Transport, Glucose and Na+, Thinner membrane, Factor that affects the rate of diffusion, Intrinsic protein, Molecules that span the membrane from side to side, Channel Protein, Consists of pores lined with polar groups (Hydrophilic), Carrier Protein, A particular molecule attaches to its binding site  and causes it to change shape/ rotate, Gated Channel, Opens and closes depending on the needs of the cell, Saturated, All protein carriers are in use, Respiratory inhibitor, Doesn't affect passive processes, Diffusion, Radom particle movement, Concentration Movement, High to Low, Simple diffusion is limited to, Non- polar or lipid soluble molecules, Smaller the molecule, More lipid- soluble it is, Membrane Permeability, Increases rate of diffusion. Affected by salt concentration.

Diffusion

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