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Question

70 S ribosomes are found in :

A
Eukaryotic cell
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B
Prokaryotic cell
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C
Mitochondria
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D
Both B and C.
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Solution

The correct option is A Both B and C.
70S ribosomes are found in the cytoplasm of prokaryotic cells and in semi-autonomous organelles of eukaryotic cells i.e. chloroplast and mitochondria. 70S ribosomes are smaller in size as compared to 80S ribosomes and comprise of two subunits. The large unit is the 50S and the small unit is 30S.

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