Inositol Trisphosphate (IP₃) Is Released into the Cytoplasm When Phosphatidyl

Inositol trisphosphate (IP₃) is released into the cytoplasm when phosphatidyl inositol-bisphosphate (PIP₂) is hydrolyzed.IP₃ is one type of molecule that can directly

A) open Ca²⁺ channels and increase cytosolic calcium.
B) close Ca²⁺ channels and deplete intracellular calcium.
C) stimulate G protein activation of phospholipase.
D) activate cyclic AMP.
E) stimulate gene expression.