Practice question

Question

Certain statements are made below regarding radio-receptor assay technique A. It is a competitive protein binding method. B. It is a non-competitive protein binding method. C. Radiollgand is present in excess of unlabelled ligand. D. Unlabelled ligand is present in excess of radioligand. E. Activated charcoal incubation and further centrifugation lead to separation of free ligand in the charcoal pellet. F. Activated charcoal incubation and further centrifugation lead to separation of bound ligand in the charcoal pellet Which one of the following options is the combination of all correct statements?