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Unformatted text preview: (nonpolar) regions are embedded within the membrane. Membrane proteins are capable of lateral movement. Diffusion Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration. The movement is due to collisions, which occur more frequently in areas of higher concentration. The dots on the diagram above represent molecules or ions. After a period of time, the particles becoming dispersed (below). Overall, the movement is from the area of initial high concentration to areas that have a lower concentration....
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