What's the nucleus in a cell?

Answer: The cell nucleus is a membrane-bound structure that contains a cell's hereditary information and controls its growth and reproduction.

What is the nucleus made of?

The atomic nucleus consists of nucleon, protons, and neutrons.

The nucleus is an organelle found in eukaryotic cells.

Explanation:

Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes.