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.
A answered. Apoptosis is the death of a cell. This process, also called cell suicide, is triggered when a cell stops receiving hormones and proteins needed to function, or when a cell sustains enough damage to stop functioning properly. The nucleus condenses, releasing chemical signals.