which-of-the-following-is-an-example-of-a-second-messenger-in-a-signal-transduct

Question

Which of the following is an example of a second messenger in a signal transduction pathway?

Accepted Answer

cAMP, which amplifies the signal from a receptor to downstream targets

Answer

A transcription factor that binds to DNA

Answer

A ligand that binds to the receptor

Answer

A protein kinase that phosphorylates other proteins