This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
All enzyme activity is increased in fasting state Except 
Select and explain. 
A. Acetyl - CoA carboxylase, B. Carnitine acyl transferase, C. PEPCK, D. Pyruvate carboxylase
A: Acetyl - CoA carboxylase
Answer: A: Acetyl - CoA carboxylase 
Explanation: MetabolismRegulatory enzymesLipid metabolism Fatty acid oxidation Carnitine acyl transferase 1KetogenesisHMG CoA synthaseLipolysis Hormone sensitive lipaseCarbohydrate metabolism Glycogenolysis Glycogen phosphorylase Gluconeogenesis Pyruvate carboxylasePhospho enol pyruvate carboxykinase (PEPCK)Fructose1,6 bisphosphataseGlucose-6-phosphatase(Refer: DM Vasudevan, Textbook of Biochemistry, 7th edition, pg no: 102-103)