toniosalazar03
toniosalazar03 toniosalazar03
  • 03-02-2016
  • Biology
contestada

what is a protective layer around all cells that controls the movement of materials into and out of the cell

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ashlynjayde2003
ashlynjayde2003 ashlynjayde2003
  • 03-02-2016
i think the cell membrane is the answer
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crystal3184
crystal3184 crystal3184
  • 03-02-2016
the cell wall controls what goes in and out of the cell
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