複選題18. Which of the following statements regarding apoptosis are CORRECT ? (A) Apoptosis is a process of programmed cell death, and does not cause significant inflammatory response. (B) Caspases are proteases that are involved in multiple stages of the apoptotic pathway. (C) Caspases are synthesized as inactive forms and can be activated through autophosphorylation under several pro-apoptotic stimuli. (D) Apoptosis can be triggered by activating surface receptors, like Fas. (E) Release of cytochrome C from the mitochondria can activate the downstream caspase and induce apoptosis.