7. Insulin can __________ phosphofructokinase 2, __________ pyruvate dehydrogenase complex, ______________ acetyl CoA carboxylase, and _____________ lipase to regulate glucose and lipid metabolism in animal cells. (A) active, active, active, active. (B) inactive, inactive, inactive, inactive. (C) active, active, active, inactive. (D) inactive, active, inactive, active. (E) active, inactive, active, inactive.