Which of the following, when activated itself, acts as a protease that converts soluble C3 into C3a and C3b in the alternative pathway?
A. C2
B. C3
C. Factor B
D. Factor D
E. C4
Answer: C
Which of the following, when activated itself, acts as a protease that converts soluble C3 into C3a and C3b in the alternative pathway?
A. C2
B. C3
C. Factor B
D. Factor D
E. C4
Answer: C