A.C3b B.C4b C.C4a D.C5a E.C2a
A.C3a B.C3b C.C5a D.iC3b E.C3d
A.三條途徑的膜攻擊復合物相同 B.旁路途徑在感染后期發(fā)揮作用 C.經(jīng)典途徑從C1激活開始 D.旁路途徑從C3激活開始 E.MBL途徑中形成的C3轉(zhuǎn)化酶是C4b2b