Antibodies Can Protect the Body by Either Destroying or Inactivating

Antibodies can protect the body by either destroying or inactivating a particular antigen by: (Select all that apply.)

A) mechanically harming it.
B) activating the complement system.
C) releasing chemicals that alter the environment of the antigen.
D) directly attacking the nucleus of the antigen.
E) forming organic "chains" that sweep out the antigen.