Which part of the antibody molecule determines its role in the immune response?
A)two arms of the Y
B)disulfide chains
C)the heavy chains
D)the stem of the Y
E)the entire molecule

Question

Quizplus · Accepted Answer

The two arms of the Y-shaped antibody molecule contain the variable regions, which determine the antigen-binding specificity of the antibody and therefore its role in the immune response.

Which Part of the Antibody Molecule Determines Its Role in the Immune