The complex network that transports materials throughout the inside of a cell

Endoplasmic reticulam has the complex network that transports materials throughout the inside of a cell.

Explanation:

The endoplasmic reticulam are present in plants as well as in animals. They are connected as a network, by one another with the help of membranous canals, that are being filled with fluid. Since they transfers the materials throughout the cell, they are also known as the transport system of the cell or a pathway for the cells. These are continuous structures having outer nuclear membrane. They helps in the synthesis of the proteins, lipids, glycogen and also some steroids i.e. cholesterol, progesterone and testosterone.

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