Question

which two antibodies activate complement?
a igg and igm
b igm and ige
c iga and igd
d ige and aga

Explanation:

IgG and IgM are known to activate the complement system. IgG can do so when in sufficient numbers and IgM is a potent activator as it has a pentameric structure allowing it to easily interact with complement - activating components.

Answer:

A. IgG and IgM