<prompt> Gluconeogenesis is inhibited by:InsulinGlucagonGlucocorticoidsGnRH  <response>: Ans. a InsulinRef: Harpers Biochemistry, 30 ed. pg. 191-192th Synthesis of glucose from non-carbohydrate source is called Gluconeogenesis.Hormonal Regulation Glucagon, epinephrine, glucocorticoids. Insulin Gluconeogenesis is regulated by 4 key enzymes- Pyruvate carboxylase Phosphoenolpyruvate carboxylase F16 bisphosphatase G-6-phosphatase 