What does the nucleus do? =)

This organelle has two major functions: it stores the cell's hereditary material, or DNA, and it coordinates the cell's activities, which include growth, intermediary metabolism, protein synthesis, and reproduction (cell division). Only the cells of advanced organisms, known as eukaryotes, have a nucleus.

Explanation:

substitution is the answer in this case

they kick it to the curb.

explanation:

that current was nasty.