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Hello students, let's see the answer.
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First we are going to see passive transport.
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Passive transport process does not need any energy input.
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Example of passive transport is diffusion.
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In this diffusion process, molecules are moved from an area of high concentration to area of flow a concentration.
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This is the diffusion process.
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This diffusion process classified into two types.
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One is simple diffusion.
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Another one is facilitated diffusion.
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In this simple diffusion, the moment of molecule throw a cell membrane without using the channels formed by integral membrane protein.
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These facilitated diffusion is the moment of molecules throw those channels.
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And also the passive moment of molecules along the concentration gradient...