This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
[{'content': 'A marker of Golgi apparatus is \nSelect and explain. \nA. Galactosyl transferase, B. Acetyl CoA synthetase, C. Pyruvate kinase, D. Malonyl CoA', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Golgi apparatus is a collection of membrane-enclosed sacs. They are directed at proper glycosylation of proteins and lipids. (REF: GANONG&;S REVIEW OF MEDICAL PHYSIOLOGY 24 EDITION, PAGE NO - 46)', 'role': 'assistant'}]