Biochemistry The gene expression of which of the following enzymes is not increased by insulin? A Pyruvate Carboxylase B Acetyl CoA Carboxylase C Phosphofructokinase-1 D Pyruvate Dehydrogenase 💡 Explanation The gene expression of which of the following enzymes is not increased by insulin? ✓ Correct Answer: A. Pyruvate Carboxylase