Define protoplasm
The protoplasm is all the living parts of the cell
Define cytoplasm
The cytoplasm is the living material in a cell outside the nucleus
Define ultrastructure
Ultrastructure is the detail of a structure as seen using an electron microscope
Define chromatin
Chromatin is the name given to chromosomes when they are elongated and not dividing
Define prokaryotic cells
Prokaryotic cells do not have a nucleus or membrane-enclosed organelles.
Define Eukaryotic cells
Eukaryotic cells have a nucleus and cell organelles, all of which are enclosed by membranes.