Which of the following is TRUE about the C5 convertase?
A. C5 convertase can consist of the membrane-bound components C3b2Bb.
B. C5 convertase cleaves C5 into C5a and C5b, with the b chain attached to the pathogen surface and the a chain dissociating away to serve as a potent proinflammatory chemotactic factor.
C. C5 convertase is an important player in the production of the MAC.
D. All of the above
E. None of the above
Answer: D