The nucleus is considered to be one of the most important structures of eukaryotic cells as it serves the function of information storage, retrieval and duplication of genetic information. It is a double membrane-bound organelle that harbours the genetic material in the form of chromatin.

Why is the nucleus important simple?

The most important function of the nucleus is to store the cell's genetic information in the form of DNA. DNA holds the instructions for how the cell should work. ... The molecules of DNA are organized into special structures called chromosomes.

What would happen without the nucleus?

Without nucleus the cell will lose its control. It can not carry out cellular reproduction. Also, the cell will not know what to do and there would be no cell division. Gradually, the cell may die.