Which Statement About Complement Proteins is FALSE

Question

Which statement about complement proteins is FALSE?
A) They may be activated through three different pathways.
B) They disrupt the cytoplasmic membrane of invading bacteria and foreign cells.
C) They are part of the specific immune defense system.
D) They are a group of blood proteins produced by the liver.
E) They are part of the innate immune response.

Accepted Answer

Complement proteins are not part of the specific immune defense system but are part of the innate immune response. They act as a first line of defense against invading pathogens.