Complement proteins
A) can form holes in the plasma membrane of target cells.
B) are on the surface of macrophages.
C) are hormones found in the blood.
D) may cause the release of interferon.
E) do not attract neutrophils, monocytes, macrophages, or eosinophils.

Question

Quizplus · Accepted Answer

Complement proteins are part of the immune system that can directly kill pathogens by forming pores or holes in the plasma membrane of target cells, leading to cell lysis. This is a key mechanism by which the complement system helps defend against infections.

Complement Proteins