It's called a nucleolus
nucleosus
nucleolus
Nucleolus
Chromatin
The nucleus.
The center of a comet is called its nucleus.
nucleus
The nucleus is the very dense region consisting of nucleons (protons and neutrons) at the center of an atom.
Nucleus
The nucleus.
the denser part of an atom is the nucleus. about 99% of the mass of an atom is concentrated within the atom.
The nucleus is the most dense part of an atom.
The center of a comet is called its nucleus.
there is a nucleus in a cell or the nucleus is the brain for the cell
Nucleus
nucleus
The Nucleus.
Example sentence - At the center of an atom is the very dense region called the nucleus.
The nucleus is the very dense region consisting of nucleons (protons and neutrons) at the center of an atom.
Nucleus
The nucleus is the dense center of an atom made of neutrons and protons surrounded by clouds of electrons.