Matching Pairs Types of DiffusionOnline version Distinguish between simple diffusion and facilitated diffusion. by Francheli Bautista 1 2 Diffusion 3 Cell Membrane 4 5 6 Allows substances to move into the cell and some are allowed out of the cell. Is the movement of small molecules through a cell membrane without using the channels formed by integral membrane protein. Molecules diffuse across the cell membrane with assistance from membrane proteins, such as channels and carriers. Is the movement of substances from an area of high concentration to an area of low concentration A transport protein that can change shape to move materials from one side of the membrane to the other. A type of transport protein, acts like a pore in the membrane that lets water molecules or small ions through quickly.
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