Indicate true (T) and false (F) statements below regarding programmed cell death by apoptosis. Your answer would be a four-letter string composed of letters T and F only, e.g. TTTF.
( ) Apoptosis is the final fate of almost all cells in an adult animal.
( ) Even perfectly healthy cells may undergo apoptosis.
( ) DNA damage that cannot be repaired inhibits apoptotic pathways.
( ) Apoptosis is the main form of programmed cell death in plant cells as well as in animal cells.