You only need the English Proficient for international operations as it's an ICAO thing. Some countries, like France, check; others may not. Similar on the RRTO -- some countries, like Canada and the Bahamas don't require it, but others, like Turks & Caicos, do require it and do check it.
Apoptosis: A form of cell death in which a programmed sequence of events leads to the elimination of cells without releasing harmful substances into the surrounding area. Apoptosis plays a crucial role in developing and maintaining the health of the body by eliminating old cells, unnecessary cells, and unhealthy cells.
Diagram showing different responses of normal and cancer cells to conditions that would typically trigger apoptosis. 1  A normal cell with unfixable DNA damaged will undergo apoptosis. 2  A cancer cell with unfixable DNA damage will not undergo apoptosis and will instead continue dividing.