Post-translational modifications occur in which of the following cellular structures?
Answer: Endoplasmic Reticulum and Golgi Apparatus
Explanation
Post-translational modifications are processes that occur after protein synthesis, and they are essential for the functional maturation and regulation of proteins.
These modifications, such as:
- adding carbohydrate groups (glycosylation)
- phosphate groups (phosphorylation),
- predominantly take place in the endoplasmic reticulum (ER)
- the Golgi apparatus.
The ER is involved in the initial modifications and folding of proteins,
While the Golgi apparatus further processes and sorts proteins for their final destinations.
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