Active Transport

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>> YOUR LINK HERE: ___ http://youtube.com/watch?v=WgmJ8NKLgAg

Website: http://Sciencesauceonline.com • Twitter:   / science_sauce   • Facebook:   / sciencesauceonline   • Instagram:   / sciencesauce_online   • Active transport is the movement of materials across a membrane against the concentration gradient, using energy from respiration.

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