Why is the nucleus called the "control center" of the cell?​

because it gives signals out to the rest of the cell.

Explanation:

because it controlls all the activities of the cell including cell reproduction, heredity. these proteins in turn, form the structural units of cells and control all chemical processes within the cell.

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?