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Define Endoplasmic reticulum |
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Answer» Endoplasmic reticulumThe large network of membranous sheets and tubes is called endoplasmic reticulum.They are filled with fluids and carries materials throughout the cell due to which it is also called transport system of the cell.It transports materials between the regions of cytoplasm or between the cytoplasm and nucleus.It also provides a surface for some biochemical activities of cell.It can be classified into two types:\tRER (Rough Endoplasmic Reticulum)\tSER (Smooth Endoplasmic Reticulum) It is a complex network of membrane bound channels or flat sacs ,tubules etc.It is of two types RER and SER .The function of RER( Rough endoplasmic reticulum) is to synthesise lipids while the function of SER(Smooth endoplasmic reticulum) is to synthesise protein.ER is responsible for intracellular transport of substance. |
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