This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins and Amino Acids, Subject name: Biochemistry
[{'content': 'Proteins are sorted by: \nSelect and explain. \nA. Golgi bodies, B. Mitochondria, C. Ribosomes, D. Nuclear membrane', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. Golgi bodiesFunctions of Golgi bodiesO-Glycosylation of proteinsProtein sortingProcessing of oligosaccharide chains of Glycoproteins', 'role': 'assistant'}]