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
Steroids act nuclear receptors which interact with DNA through 
Select and explain. 
A. Helix turn helix, B. Zinc finger motif, C. Histidine, D. Leucine zipper
B: Zinc finger motif
Answer: B: Zinc finger motif 
Explanation: B i.e. Zinc finger motif