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: Biochemistry
[{'content': 'Steroids act nuclear receptors which interact with DNA through \nSelect and explain. \nA. Helix turn helix, B. Zinc finger motif, C. Histidine, D. Leucine zipper', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Zinc finger motif', 'role': 'assistant'}]