This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and Reproduction, Subject name: Physiology
[{'content': 'Insulin resistance down-regulates - \nSelect and explain. \nA. GLUT-1, B. GLUT-2, C. GLUT-3, D. GLUT-4', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., GLUT-4 * Insulin stimulated glucose uptake occurs through GLUT-4.", 'role': 'assistant'}]