The functions of nucleus are:
. Nucleus regulates various processes of the cell.
.It controls the cell functions.
.It takes a crutial part in cell division.
.On removal of nucleus cell dies.
.The nucleolus in the nucleus contains large amount of RNA and enzymes which are used in protein synthesis.
.Chromosomes helps in the transmission of characters from parent to the next generation. Therefore, The nuclear can also give us hereditary information.
hope this helps.. :)