0 votes 0 votes Which one of the receptors has the highest affinity for the ligand? $R1$ $R2$ $R3$ $R4$ Immunology gate2013 antigen antibody-and-structure + – Milicevic3306 asked Mar 25, 2018 • edited Nov 7, 2020 by soujanyareddy13 Milicevic3306 7.9k points answer comment Share Follow See all 0 reply Please log in or register to add a comment.