Endoplasmic+Reticulum+(ER)

Endoplasmic Reticulum


 * Appears as disk like tubes.
 * Found in eukaryotic cells
 * Acts as a transport system.
 * 2 types of ER, rough and smooth.
 * On the rough ER, ribosomes are on the surface.
 * These ribosomes create new proteins during protein synthesis.
 * Rough ER works with the golgi apparatus.
 * Together, they sort new synthesized proteins to their right locations.
 * Smooth ER's functions in the cell differ from the rough ER's functions.
 * Among these functions, smooth ER synthesizes lipids and other parts of the cell membrane.
 * Also, smooth ER has to direct new proteins to their designated location within the cell.
 * With all these functions, both the smooth and rough Endoplasmic Reticulum has a very important job.
 * However, when ER gets stressed, it can cause an array of diseases.

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