Respuesta :

Answer:

Cell membrane

Explanation:

Cell membrane is an important part in cell which performs various vital functions. It is not only a simple boundary that surrounds the protoplast rather it is a semi permeable membrane structurally made of proteins and lipid bilayer and regulates the transport of different materials across it.

It regulates the following transports -

  • Disposal of wastes
  • Export and import of nutrients
  • Export and import of various ions
  • Export and import of gases

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