1.What is a stem cell issue that is unique to iPS cells? A. The way we make them causes genetic changes in the cells B. They are rare in your body C.The way we collect them is subject to strong ethical debate D.It is difficult to generate the exact cell type you are interested in 2. What is the role of caspases in apoptosis? A.They let cytochrome C escape the mitochondria B. They activate apoptotic pathways C. They bind to RTKs to keep the cell alive D. The protect the cell from apoptosis Removal of survival factors Removal of the Apaf 1 gene Addition of a mitogen Addition of a murder factor.