Figure 19.1

-In immune complex reaction shown in Figure 19.1, what is the small, circular/spherical structure labeled ʺaʺ?
A) antigen
B) mast cell
C) antibody
D) complement
E) neutrophil

Question

Figure 19.1
 
-In immune complex reaction shown in Figure 19.1, what is the small, circular/spherical structure labeled ʺaʺ?
A) antigen 
B) mast cell 
C) antibody 
D) complement 
E) neutrophil

Quizplus · Accepted Answer

The small, circular/spherical structure labeled "a" in an immune complex reaction is typically an antigen, which is a molecule that can bind to an antibody or a receptor on immune cells.

Figure 19.1 -In Immune Complex Reaction Shown in Figure 19.1, What Is