The most abundant complement protein component that is common to all three pathways of complement is:

Question

Quizplus · Accepted Answer

C3 is the most abundant complement protein component that is common to all three pathways of complement. It is involved in the early stages of complement activation, leading to the formation of the membrane attack complex (MAC) and opsonization of pathogens for phagocytosis. While C1 is involved in the classical pathway and C5 and C7 are involved in the terminal pathway, C3 is involved in all three pathways of complement.

The Most Abundant Complement Protein Component That Is Common to All