阿摩線上測驗
69. What are antigens?
(A) proteins found in the blood that cause foreign blood cells to clump
(B) proteins embedded in B cell membranes
(C) proteins that consist of two light and two heavy polypeptide chains
(D) foreign molecules that trigger the generation of antibodies
答案：登入後查看
統計： A(0), B(0), C(0), D(1), E(0) #3389894
統計： A(0), B(0), C(0), D(1), E(0) #3389894
