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4. What is the function of the endoplasmic reticulum?​

Sagot :

Answer:

The endoplasmic reticulum synthesizes proteins and lipids, and transports materials within the cell.

The endoplasmic reticulum (ER) is a crucial organelle involved in the synthésis, folding, modification, and transport of proteins and lipids.

Function and Importance

  • Protein Synthésis and Processing - The rough ER, studded with ribosomes, is responsible for synthesizing and modifying proteins that are either secreted from the cell, incorporated into the cell membrane, or sent to an organelle.
  • Lipid Synthésis - The smooth ER is involved in the synthésis of lipids, including phospholipids and steroids, which are essential for cell membrane production and hormone production.
  • Detoxification - The smooth ER also plays a role in detoxifying harmful substances, including drugs and metabolic waste, by modifying them into less harmful forms that can be more easily excreted from the body.