Sarhyna Sarhyna
  • 22-05-2019
  • Biology
contestada

Active transport occurs when molecules are moved across a semi-permeable membrane and
a concentration gradient.

A)down
B)up

Relax

Respuesta :

21dulibarri 21dulibarri
  • 22-05-2019

the answer would be B (up)

Answer Link
Pugwatch
Pugwatch Pugwatch
  • 22-05-2019

I think the answer is B UP

Answer Link

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