In C. elegans, ced-9 prevents apoptosis in a normal cell in which of the following ways?
A. Ced-9 remains inactive until it is signaled by ced-3 and other caspases.
B. Ced-9 cleaves to produce ced-3 and ced-4.
C. It prevents the caspase activity of ced-3 and ced-4.
D. Ced-9 prevents blebbing by its action on the cell membrane.
E. Ced-9 enters the nucleus and activates apoptotic genes.
Answer: C