The Fab region of an Ig is responsible for:

Q. The Fab region of an Ig is responsible for:
A. C1q fixation
B. Binding to macrophages
C. Binding to antigen
D. Binding to Fc receptors
Answer: Binding to antigen

A. C1q fixation
B. Binding to macrophages
C. Binding to antigen
D. Binding to Fc receptors
Answer: Binding to antigen