Question

Why nucleus is called the controller of the cell

Answer 1

because nucleus contain dna which isthe master who control all type of protein synthesis
these protein requirs for cell synthesis
so indirectly nucleus is controler of cell

Answer 2

Answer:

nucleus contains genetic material which determine the formation of enzymes and protiens on ribosomes . nucleus determine when and how these enzymes are to be formed. enzymes in turn control the cellular activity. so, the ultimate determiner of the cellular activity is the nucleus