From the statements given below choose the correct option : A. The eukaryotic ribosomes are 80S and prokaryotic ribosomes are 70S. B. Each ribosome has two sub-units. C. The two sub-units of 80S ribosome are 60S and 40S while that of 70S are 50S and 30S . D. The two sub-units of 80S ribosome are 60S and 20S and that of 70S are 50S and 20S . E. The two sub-units of 80S are 60S and 30S and that of 70S are 50S and 30S .

• Correct answer
  A

  $\mathrm{A}, \mathrm{B}, \mathrm{C}$ are true
• B

  $\mathrm{A}, \mathrm{B}, \mathrm{D}$ are true
• C

  $\mathrm{A}, \mathrm{B}, \mathrm{E}$ are true
• D

  $B, D, E$ are true

Hence, the correct answer is option: 'A'.