General features of antigen-antibody interaction

Question

Give some general features of antigen-antibody interaction.

Answer 1

1. The reaction is particular and antigen combines only with its equivalent antibody and vice versa.

2. Whole molecules react however not fragment.

3. There is no denaturation of antigen or antibody throughout the reaction.

4. The amalgamation of antigen – antibody is firm however reversible. The firmness of the reaction is affected by the affinity as well as avidity of reaction.

5. Both antibodies antigens participate in arrangement of agglutination as well as precipitation reactions.

6. Antigens and antibodies can combine in different proportions dissimilar chemicals with fixed valancy.