Question 12

(Multiple Choice)

Which of the following second messengers is produced from the hydrolysis of PIP₂ that activates the increase of Ca²⁺ concentrations in the cytoplasm?

A)diacylglycerol (DAG)
B)phosphatidylinositol (PI)
C)phosphatidylinositol-4,5-bisphosphate (PIP₂)
D)inositol-1,4,5-trisphosphate (IP₃)

Answer

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