Which of the following correctly describes a second

Last updated: 3/12/2023

Which of the following correctly describes a second messenger A protein such as a G protein that is activated upon ligand binding to receptor An enzyme such as Adenylate Cyclase that is activated upon ligand binding to receptor An enzyme responsible for the cellular effects of a signal transduction pathway like Protein Kinase A or Glycogen Phosphorylase A soluble cytoplasmic molecule produced in response to ligand binding that activates a cellular response