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
A marker of Golgi apparatus is 
Select and explain. 
A. Galactosyl transferase, B. Acetyl CoA synthetase, C. Pyruvate kinase, D. Malonyl CoA
A: Galactosyl transferase
Answer: A: Galactosyl transferase 
Explanation: 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)