Hampton Stuart
03/23/2023 · Primary School
The movement of particles from a low to a high concentration
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The movement of particles from a low concentration to a high concentration is known as **active transport**. This process requires energy, typically in the form of ATP, because it is moving substances against their concentration gradient. Active transport is essential for various cellular functions, including the uptake of nutrients and the maintenance of ion concentrations within cells.
In contrast, passive transport processes, such as diffusion and osmosis, involve the movement of particles from areas of high concentration to areas of low concentration without the use of energy.
Quick Answer
Particles move from low to high concentration through active transport, which needs energy. This is different from passive transport like diffusion and osmosis that don't require energy.
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