🧬🔗🧪⚡

#enzyme cofactor binding #biochemistry #reaction mechanism #molecular binding #enzyme activity #mineral cofactor

🥚💖🅱️

#avidin #biotin #egg protein #high affinity #molecular binding #streptavidin

🦠🔗🔗🦠

#antibody linkage #antigen bridging #cross-linking #immune complex #molecular binding #immunology