Hormonal stimulation of the formation of second messenger inositol 1, 4, 5-triphosphate (IP3) quickly leads to the release of which other intracellular messenger?: (A) Cyclic AMP, (B) Prastaglandin, (C) Calcium, (D) Leukotriene
Answer is C. Ans. is 'c' i.e., Calcium o 1P3 mobilizes Ca'from intracellular organelles and increases cytosolic Ca' and then Ca" acts as third messenger.