When an antigen is bound to an antibody,it binds to
A)the heavy immunoglobulin chain only.
B)the light immunoglobulin chain only.
C)a specific antigen-binding site formed by heavy and light chains.
D)a hypervariable region of immunoglobulin DNA.
E)gamma immunoglobulin only.

Question

Quizplus · Accepted Answer

When an antigen is bound to an antibody, it binds to a specific antigen-binding site formed by heavy and light chains. This binding occurs through a three-dimensional structure created by the specific amino acid sequence of the immunoglobulin heavy and light chains forming the antigen-binding site that fits the shape of the antigen.

When an Antigen Is Bound to an Antibody,it Binds to