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': 'True about Nissl granule \nSelect and explain. \nA. Involves in RNA synthesis, B. Present in axon, C. Involves in protein synthesis, D. Structurally they are endoplasmic reticulum', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Nissl granules are organelles containing ribosome . They synthesis the protein necessary for neuron. (REF: TEXTBOOK OF MEDICAL PHYSIOLOGY GEETHA N 2 EDITION, PAGE NO - 20)', 'role': 'assistant'}]