The link below is a web-based study guide that gives an overview of the process of apoptosis (programmed cell death). It gives an insight into the process, what triggers it, its mechanism of activation, current knowledge on the key enzymes involved (caspases) and the combination of extracellular and intracellular triggers of apoptosis in cancer.
The study guide also includes key references and a self-evaluative quiz. 

Icon Web Apoptosis: A study guide

Icon Quiz self test quiz on apoptosis (word file)     Download answers here