Some Cases of Human Melanoma Have Been Shown to Result

Multiple Choice

Some cases of human melanoma have been shown to result from inhibition of apoptosis in these cells. The human analogue of which of the following defects in C. elegans could cause these cancers?

A) A ced-9 protein that is always inactive.
B) A ced-3 protein that is always inactive.
C) A ced-4 protein that is always active.
D) A death-signaling molecule receptor that is always active.