The heavy chains of which class of antibody bind and activate one of the complement system proteins, leading to the lysis of the bacterial cell to which the antibody molecules are bound?
A)IgM
B)IgG
C)IgE
D)IgD
E)IgA

Question

Quizplus · Accepted Answer

IgM antibodies are particularly effective at activating the complement system, which leads to the lysis of bacterial cells.

The Heavy Chains of Which Class of Antibody Bind and Activate