Which of the following is NOT an outcome of insulin receptor activation?
1) Phosphatidylinositol 4,5-bisphosphate (PIP2) concentration decreases.
2) Acetyl-CoA carboxylase activity increases.
3) The number of GLUT4 glucose transporters are increased in the plasma membrane.
4) AMP-activated protein kinase (AMPK) activity increases.
5) Glycogen synthase a concentration increases.