AtlTahirr
AtlTahirr AtlTahirr
  • 03-09-2016
  • Biology
contestada

the cell membrane helos to control what enters and leaves a cell

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jessquick88
jessquick88 jessquick88
  • 03-09-2016
it's the ribosomes that move in and out of cells 
 

help this help XD
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