Question

mention the structure and function of endoplasmic reticulum ​

Answer 1

The endoplasmic reticulum (ER) is a large, dynamic structure that serves many roles in the cell including calcium storage, protein synthesis and lipid metabolism. The diverse functions of the ER are performed by distinct domains; consisting of tubules, sheets and the nuclear envelope.

Answer 2

Structure of Endoplasmic Reticulum:-

The rough endoplasmic reticulum is named so because of its appearance. It is a series of connected flattened sacs having several ribosomes on its outer surface, hence the name. It synthesizes and secretes proteins in the liver, hormones and other substances in the glands.

The functions of endoplasmic reticulum are:-

• It forms the supporting framework of the cell.

• It divides the cell into small compartments for different metabolic activities.

• It is associated with the synthesis and storage of materials.

• Rough endoplasmic reticulum is the site of protein synthesis.

• Its channels act as pathways for the transport of materials from one part of the cell to the other, hence it is called the circulatory system

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