Cell TransportThe movement of materials across cell membranes. This includes Active and Passive Transport.
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Passive TransportPassive transport is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. Unlike active transport, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in entropy.
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Diffusion
Osmosis
Active Transport
Active transport is the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.