“So far, nobody has been able to identify the proteins involved in mediating this widely-expressed ... “To have a first report about one molecule that’s likely forming an ion channel that is mediating ...

A plasma membrane is permeable to specific molecules that a cell needs. Transport proteins in the cell membrane allow for selective passage of specific molecules from the external environment.

The Golgi apparatus transports and modifies proteins in eukaryotic cells. How have scientists studied dynamic protein movements through the Golgi?