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The main organelle involved in modification and routing of newly synthesized proteins to their destinations is

A. chloroplast

B. mitochondria

C. lysosome

D. endoplasmic reticulum

Correct Answer : D.


Endoplasmic reticulum bearing ribosomes on their surface is called rough endoplasmic reticulum (RER). RER is involved in protein synthesis and are responsible for the assembly of many proteins (in a process called translation).

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