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,

Diffusion

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