This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Cytoskeleton skeletal include: \nSelect and explain. \nA. Dynein, B. Kinesin, C. Tubulin, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Cytoskeleton skeletal is made of Microtubules: dynein,kinesin,tubulin Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:8,9,14', 'role': 'assistant'}]