Facilitated Diffusion Image, , Simple Diffusion Image, , Facilitated Diffusion (Definition), A passive type of diffusion which transports charged and polar molecules across a cell membrane through channel and carrier proteins. , Simple Diffusion (Definition), Movement of small molecules such as oxygen and carbon dioxide through the phospholipid bi layer , What is Diffusion?, The movement of a substance from an area of high concentration to an area of low concentration. , Co-Transport Image, , Co-Transport definition , Where two separate molecules are passed through one protein at the same time. , Channel Protein Image, , Carrier Protein Image , , Channel Protein Structure and Function, Pores lined with polar (hydrophilic) groups that allow charged ions (such as Na+ through), Carrier Protein Structure and Function, The shape of the protein changes to allow large molecules such as glucose through, as they bind to it. , Lipid soluble substances …, Can dissolve and move directly through the phospholipid bilayer. , Water soluble substances…, Can not pass through the hydrophobic tails and so they must use intrinsic proteins to pass through the membrane.  , A __ Concentration Gradient will lead to increased diffusion. , Higher, __ surface area will lead to decreased diffusion. , Lower, __ molecules will lead to decreased diffusion, Water soluble, Being __ or __ will lead to increased diffusion, Polar, lipid soluble, Higher temperature will lead to… , Increased diffusion. , Diffusion requires no…, ATP. , Adding a respiratory inhibitor will have ____ effect on rate of diffusion., No.

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