Question

$70 \,S$ ribosomes occur in

• A. bacteria
• B. mitochondria
• C. chloroplasts
• D. All of the above

Answer 1

Answer: (D)

All of the above

Answer 2

On the basis of their sedimentation coefficient ribosomes are of two main types $80\, S$ and $70\, S. 80 \,S$ ribosomes are found in eukaryotes and $70 \,S$ ribosomes are found in prokaryotes, mitochondria and chloroplasts.