What is passive symport?
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Explanation:
Transport systems may be passive or active. Passive transport does not require direct energy expenditure. It utilizes already existing concentration gradients. When the driving ion and the driven molecule (or ion) move in the same direction, transport is referred to as cotransport or symport.
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Passive transport does not require energy input. An example of passive transport is diffusion, the movement of molecules from an area of high concentration to an area of low concentration. Carrier proteins and channel proteins are involved in facilitated diffusion.
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