In the nematode C. elegans, ced-9 prevents apoptosis in a normal cell in which of the following ways?
A) It prevents the caspase activity of ced-3 and ced-4.
B) Ced-9 remains inactive until it is signalled by ced-3 and other caspases.
C) Ced-9 cleaves to produce ced-3 and ced-4.
D) Ced-9 prevents blebbing by its action on the cell membrane.

Question

Quizplus · Accepted Answer

Ced-9 prevents apoptosis by inhibiting the caspase activity of ced-3 and ced-4. When ced-9 is present, it binds to and inhibits the activation of ced-3 and ced-4, preventing initiation of the apoptotic pathway.

In the Nematode C