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active transport
As the movementof particles through a cell membrane froma region of lower concentration to a regionof higher concentration using energy fromrespiration
Examples of Active Transport
How do protein molecules move particlesacross a membrane during active transport?
Particles are recognised by carrier protein in membrane.
Respiration supplies energy to drive carrier proteins across membrane.
Particles released into cell,even against a concentration gradient.
Carrier protein returns to collect more of the same particle.
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