What is the equivalent of Factor D (alternative pathway) in the classic complement pathway?
A) C1q
B) C1s
C) C1r
D) C4

Name: What is the equivalent of Factor D (alternative pathway) in the classic complement pathway? A) C1q B) C1s C) C1r D) C4
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Quizplus · Accepted Answer

Factor D in the alternative pathway is a serine protease that cleaves factor B. In the classical pathway, C1s is the serine protease that cleaves C4 and C2, making it functionally similar to Factor D.

What Is the Equivalent of Factor D (Alternative Pathway) in the Classic