Biology 9700 · AS & A Level · Antibodies and vaccination
Antibodies and vaccination — practice question
Monoclonal antibodies (MAbs) have been used to treat some non-infectious diseases. MAbs can be engineered to attach to a protein on diseased cells, which leads to their destruction by cells of the person’s immune system.
(a(i))[1]
Name the region of an antibody molecule that binds to a protein on diseased cells.
(a(ii))[4]
Suggest how the attachment of monoclonal antibody to the diseased cells leads to their destruction by cells of the person’s immune system.
(b)[1]
Myasthenia gravis is an auto-immune disease. Explain what is meant by auto-immune disease.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “variable region / antigen binding site / $V_H$ and $V_L$” …