Programmed cell death mediated by a process termed 'apoptosis' is the physiological cell death that occurs during embryogenesis, metamorphosis, normal tissue turnover and homeostasis.

程序性死亡即凋亡，在胚胎发育，变态，正常组织更新和自我平衡过程中都有发生。

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The physiological and biochemical mechanisms of crop salt tolerance are reviewed from three aspects including resistance to iron stress, osmotic stress and programmed cell death.

本文从作物耐离子胁迫、耐渗透胁迫和细胞编程性死亡调节三个方面概述了作物耐盐的生理生化机制；

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It has been proved that PARP has lots of physiological and biochemistry functions and correlates with cell death. Many kinds of damage factors such as radiation may influence the activity of PARP.

已经证实，PARP具有多种生理、生化功能，并与细胞的死亡相关，电离辐射等各种细胞损伤因素都可以影响parp活性。

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