Antibody functions include all of the following except ________.
A) targeting foreign cells so that complement proteins can cause cellular lysis
B) cross-linking cell-bound antigens on red blood cells when blood types are properly matched
C) linking soluble antigens together so that they fall out of solution
D) binding and inactivating chemical toxins released by bacteria or other microorganisms

Question

Quizplus · Accepted Answer

Antibodies do not cross-link cell-bound antigens on red blood cells when blood types are properly matched. This is actually the function of antigen-specific antibodies called agglutinins, which cause agglutination (clumping) of red blood cells when they encounter an incompatible blood type.

Antibody Functions Include All of the Following Except ________