knoel3983 knoel3983 20-06-2024 Biology Answered Which membrane lipid serves as a reservoir of messenger molecules for signal transduction? A) Sphingomyelin (SM) B) Taurocholic acid (TA) C) Thromboxane A2 (TXA2) D) Phosphatidylserine (PS) E) Phosphatidylinositol 4,5-bisphosphate (PIP2)