<prompt> Organelle that plays a pivotal role in apoptosis ?Endoplasmic reticulumGolgi complexMitochondriaNucleus  <response>: Ans. is c i.e. Mitochondriao Mitochondria are the most impoant organelles involved in apoptosis initiation and regulation. Significant changes can be observed in mitochondrial physiology and morphology during apoptosis. 