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What Is a Role of Calcium Ions in the Second-Messenger

Question 16

Multiple Choice

What is a role of calcium ions in the second-messenger cascade involving phospholipase C,diacylglycerol,and inositol trisphosphate?


A) It splits and activates G-protein subunits.
B) It binds to the endoplasmic reticulum and causes the release of inositol trisphosphate.
C) It phosphorylates cell proteins.
D) It is the first messenger that binds to the integral membrane protein receptor.
E) Along with diacylglycerol,it activates protein kinase C.

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