Signal propagation: Secondary messenger

3 Activities

Which of the following is incorrect?

A) Second messengers are non-protein molecules that relay information after a ligand binding event

B) GPCRs are never involved in the generation of second messengers

C) Signal transduction leads to cellular responses such as cell growth

D) Calcium can come from outside of the cell or from intracellular compartments

I don't know

About second messengers: