This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'All of the following have receptors which are transcription factors except - \nSelect and explain. \nA. Insulin, B. Estrogen, C. Glucocoicoids, D. Vit D', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Insulin Transcription factors are intracellular (cytoplasmic or nuclear) soluble proteins which respond to lipid soluble chemical messengers that penetrate the cell. o All steroidal hormones (glucocoicoids, mineralocoicoids, androgens, estrogens, progesterone), thyroxine, vit D and vit Afunction in this manner.", 'role': 'assistant'}]