Which one of the following cell organelles synthesizes its own protein

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Which one of the following cell organelles synthesizes its own proteins involving genes present in its DNA?

Endoplasmic reticulum
Plasma membrane
Plastid
Lysosome
This question was previously asked in
UPSC CISF-AC-EXE – 2019
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Plastids (like chloroplasts) contain their own DNA and ribosomes and can synthesize some of their own proteins.
Mitochondria and plastids are unique among eukaryotic organelles because they possess their own circular DNA (similar to bacterial DNA) and ribosomes (70S type). This allows them to synthesize some of the proteins required for their function, independently of the cell’s nucleus and cytoplasmic ribosomes.
The endoplasmic reticulum is involved in protein synthesis and modification but relies on ribosomes attached to it or free in the cytoplasm. The plasma membrane is a structural component. Lysosomes contain enzymes synthesized elsewhere in the cell.

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