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  • 12-01-2017
  • Biology
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Can all molecules diffuse through all cell membranes explain

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klekaelly
klekaelly klekaelly
  • 12-01-2017
No, some molecules are too large to fit through the pores of the cellular membrane. The cellular membrane is "semi-permeable", meaning that it lets only certain substances cross the membrane. This is determined by the size of the substance, the type of charge, and the lipid solubility of the substances.
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