purplepinkpiems
purplepinkpiems purplepinkpiems
  • 17-09-2016
  • Biology
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Why does active transport require energy input by the cell?

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Vimal
Vimal Vimal
  • 25-09-2016
Because the molecules that are being transported is moving against its concentration gradient. in other words, its moving from where its low in concentration to where its high in concentration
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