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What is Endoplasmic Reticulum? Write Its Types. Notes Chapter 5 the Fundamental Unit of Life Science Class 9 NCERT

What is Endoplasmic Reticulum? Write its types. chapter 5 can study by students of class 9. These definitiona and formulas of Class 9 Science Chapter 5: the Fundamental Unit of Life is developed and witten by our expert teachers. Science formulas. What is Endoplasmic Reticulum? Write its types. is prepapred and collected from varius resources to help the students.

What is Endoplasmic Reticulum? Write its types.

The endoplasmic reticulum (ER) is a large network of membrane-bound tubes and sheets. It looks like long tubules or round. There are two types of ER– rough endoplasmic reticulum (RER) and smooth endoplasmic reticulum (SER). RER looks rough under a microscope because it has particles called
ribosomes attached to its surface. The ribosomes, which are present in all active cells, are the sites of protein manufacture. The manufactured proteins are then sent to various places in the cell depending on need, using the ER. The SER helps in the manufacture of fat molecules, or lipids, important for cell function.

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