P9ut8ripermcbalt P9ut8ripermcbalt
  • 15-05-2017
  • Biology
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A process in which substances are transported across a plasma membrane with the concentration gradient with he aid of carrier (transport proteins; does no require the use of energy.

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nesse4321
nesse4321 nesse4321
  • 15-05-2017
passive transport I believe
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