Apoptosis or Programmed Cell Death Is Receiving Much Research Attention

Multiple Choice

Apoptosis or programmed cell death is receiving much research attention because

A) it is a normal part of embryonic development.
B) it is the cause of most animal diseases.
C) all "death" is bad and this is one of the few remaining causes of natural death to be overcome.
D) it is always caused by a fault in the cell cycle at G₁ phase,G₂ phase or S phase.