68. Phospholipase C hydrolyzes phosphatidylinositol 4,5-bisphosphate (PIP2) to form which signaling molecule that triggers Ca2+ release from the endoplasmic reticulum?
(A) Diacylglycerolphosphate (DAGP)
(B) Inositol 5-monophosphate (IP1)
(C) Diacylglycerol (DAG)
(D) Inositol 1,4,5-triphosphate (IP3)
(E) Inositol 4,5-bisphosphate (IP2)