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': 'Which one of the following substances is the most potent androgen - \nSelect and explain. \nA. Dihydroepiandrostendione, B. Dihydrotestosterone, C. Androstendione, D. Testosterone', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is \'b\' i.e., Dihydrotestosterone "Dihydrotestosterone is more active than testosterone - It binds more avidly with the cytoplasmic receptors, and this complex is more active than testosterone receptor complex in combining with DNA." o Dehydroepiandrosterone and androstenedione are weak androgen - Potency 1/20 to 1/30 of testosteone.', 'role': 'assistant'}]