DemarcusMasini
DemarcusMasini DemarcusMasini
  • 03-03-2015
  • Biology
contestada

What are internal and external regulators? lipids carbohydrates proteins.

Respuesta :

BeckaH BeckaH
  • 04-03-2015
These substances are proteins, they regulate what is able to enter or leave the cell.
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