Where does protein synthesis occur?

The site of protein synthesis in plants is the

If in a plant cell the ribosomes are destroyed,which of the following processes will not take place?

Besides the nucleus,eukaryotic cells have other membrane-bound distinct structures called organelles. Which one is odd according to the given statement?

Below a certain level of $Mg^{++}$ ions,the two subunits of the ribosome:

Polysome is a chain of