Cell Biology (cytology)

In a cell what is the function of the endoplasmic reticulum?


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Technical Answer:

The endoplasmic reticulum has two parts to it. The Rough ER has many Ribosomes lining its inside and creates proteins for the cell which are either used or sent to the Golgi Apparatus for transportation. Proteins that are created in the Rough ER have a higher chance of being secreted. The smooth ER's job is to remove toxins from the system, which is why a high concentration of Smooth ER is found in the liver.

Layman's Answer:

"The endoplasmic reticulum (ER), has two different sections. The Rough ER and the Smooth ER, both of which have different jobs. The Rough ER makes things for the cell to use, or to ship to other cells. The smooth ER takes bad things out of the body."

Easy Way To Remember:

Think of a Hospital and lots of corridors used to transport patients throughout the hospital. The endoplasmic reticulum is like that. It has lots of passageways within the cell so it can transport things through the cell so they can be used by other organelles.
Protein synthesis