The Classical Pathway of Complement Activation Starts with the Binding

Multiple Choice

The classical pathway of complement activation starts with the binding of C1 to the surface of the microbe by recognition of ANY of the following on the pathogen surface EXCEPT:

A) C-reactive protein.
B) bound antibody.
C) mannose-binding lectin.
D) LPS of Gram negative bacteria.
E) teichoic acids of Gram positive bacteria.