If you mean 'nucleus' it is the central part around which other parts are grouped. In physics, it is the positively chargesd mass within an atom
Neucleus was created in 1947.
a cell with a neucleus is called a Eukaryotic cell.
Prokaryotic- does not have a neucleus (bacteria) eukaryotic- has a neucleus (plantcell, animalcell, etc.)
protons
neucleus
The electron.
chromatin?
they are called prokariotic cells
Neucleus
It contains most of the atom's mass.
nothing
Neucleus, Proton and electrons