What true about the nucleus?

Answer 1

• The atomic nucleus is the positively charged center of an atom and contains almost all of its mass.
• The nucleus of an eukaryotic cell is the organelle that contains and protects the linear chromosomes of the cell.
• The cometary nucleus is the solid part of a comet, composed of ices and dust.
• The nucleus in the central nervous system is a discrete mass of gray matter.
• The nucleus of an object is the central and most important part of that object (e.g. the town square is the village's nucleus, Hollywood is considered the nucleus of a film industry).
• etc.