Ribosomes of cancerous cells fuse together to form

The larger subunit in $80S$ ribosome is (in $S$)

What are the two subunits of $80S$ ribosomes?

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 those of $70S$ are $50S$ and $30S$.
$D.$ The two sub-units of $80S$ ribosome are $60S$ and $20S$,and those of $70S$ are $50S$ and $20S$.
$E.$ The two sub-units of $80S$ ribosome are $60S$ and $30S$,and those of $70S$ are $50S$ and $30S$.

Ribosomes are composed of .....

Which of the following cell organelles lacks $DNA$ and a bounding membrane?