Anatomy a super antigen is a bacterial product that A Binds to B7 and CD 8 co stimulatory molecules B Binds to beta chain of TCR and MCH class 2 molecules at APC stimulating T cell activation C Binds to CD4 molecules causing TCells activation D Is presented by macrophages to a larger than normal number of T helper CD4 lymphocytes 💡 Explanation a super antigen is a bacterial product that ✓ Correct Answer: B. Binds to beta chain of TCR and MCH class 2 molecules at APC stimulating T cell activation