The Complement Cascade

Multiple Choice

The complement cascade:

A) Is triggered by the binding of Clq to multiple Fc units of antibody-antigen complexes.
B) Consists of a series of zymogens that are sequentially activated by proteolytic cleavage.
C) Ultimately results in the production of large pores in the plasma membrane of the target cell mediated by C9.
D) All of the above.
E) None of the above.