Ribosomes are produced in the .......

What is correct for ribosome?

Ribosomes are the centers of .......

Which cell organelle is described by the following statements?
$(A)$ Granular structure.
$(B)$ First observed under an electron microscope as dense particles by $George\, Palade$.
$(C)$ Composed of $RNA$ and proteins.
$(D)$ Not surrounded by any membrane.

The function of a polysome in a bacterial cell is to

Which physiological process is facilitated by the ribosome organelle?