Which Statement About the IP₃-DAG Pathway Is False

question 16

Multiple Choice

Which statement about the IP₃-DAG pathway is false?

• A) Diacylglycerol can act as a second messenger.
• B) Inositol trisphosphate can act as a second messenger.
• C) Protein kinase C can phosphorylate a wide variety of proteins.
• D) Inositol trisphosphate remains bound to the membrane after phospholipase C catalyzes its formation.
• E) Inositol trisphosphate can open ion channels in the membranes of smooth endoplasmic reticulum, releasing calcium into the cytoplasm.

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