The nucleoplasm, also known as karyoplasm, is the type of protoplasm that makes up the cell nucleus, the most prominent organelle of the eukaryotic cell. It is enclosed by the nuclear envelope, also k
An example of the sodium-potassium pump, a P-type ATPase, which controls the ionic gradient across the cell membrane and the nuclear envelope as well as the ionic makeup of the nucleoplasm through the selective pumping of sodium and potassium ions.