The
of the cell directs cell activity and acts like the control center.
SESE

The nucleus intructs cells to do their activities

The set of genes on these chromosomes is called the nuclear genome. The function of the nucleus is to maintain the integrity of these genes and to control cellular activities by regulating gene expression. That is why the nucleus is said to be the control center of the cell.

Explanation:

I hope I've helped

a = executive branch; b = judicial branch