FUNCTION OF ENDOPLASMIC RETICULUM

FUNCTIONS OF ENDOPLASMIC RETICULUM

• COMMON FUNCTIONS OF SER AND RER:-

     1. The endoplasmic reticulum provides an ultrstructure skeletal framework to the cell and gives mechanical support to cytoplasmic matrix.

    2. The Endoplasmic reticulum membrane has permeases and carriers for Osmosis diffusion and active transport process.

   3. The Endoplasmic reticulum contains many enzymes which perform various synthetic and metabolic activities.

   4. The endoplasmic reticulum membrane forms the new nuclear envelope after each nuclear division.

• Function of smooth endoplasmic reticulum:-

     1. Smooth endoplasmic reticulum performs synthesis of lipids and lipoproteins.

    2. Smooth endoplasmic reticulum is found related to glycogenolysis.

   3. The synthesis of cholesterol means 20 enzymes. 11 enzymes are bounded to SER membranes.

   4. SER is related to steroid hormone biosynthesis.

   5. SER is also involved in detoxification of toxic substances and drugs. i.e. xenobiotics in the liver cells by detoxifying enzymes including cytochrome p 450.

• Function of rough endoplasmic reticulum:-

     1. It is involved in folding of proteins, modification and transport.

   
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