Protoplasm
All the living parts of the cell
Cytoplasm
All the living material outside the nucleus of the cell
Ultrastructure
The detail of a structure seen under an electron microscope
Chromatin
The name given to chromosomes when they are elongated and not dividing
Prokaryotic cells
Do not have a nucleus or membrane-enclosed organelles
Eukaryotic cells
Have a nucleus and cell organelles, all enclosed by membranes