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: Physiology
All of the following bind to the steroid receptors except: 
Select and explain. 
A. Steroids, B. Transcriptional mediators, C. Transcriptional receptors, D. Steroid response elements
B: Transcriptional mediators
Answer: B: Transcriptional mediators 
Explanation: B i.e. Transcriptional mediatorsSteroid receptors bind to hormones, hormone response elements (HRE), and transcription coregulator proteins such as co-repressors (NCoR, SM), co- activators (CBP, P-300) and mediator related proteinQ.