They are in most eukaryotic cells and do many things.
They are used in some eukaryotic cells to move around or to eat.
It is present in all eukaryotic cells except for higher plants.
This is a major form of regulation in eukaryotic cells.
Blue white screen is used in both bacteria and eukaryotic cells.
The eukaryotic cells emerged between 1.6 - 2.7 billion years ago.
In eukaryotic cells, there are many things with membranes around them.
It is, in essence, the transportation system of the eukaryotic cell.
A bacterium, in itself, is already smaller than a eukaryotic cell.
It seems that, once the eukaryotic cell had been invented, a whole new range of designs became possible.