Features of antigen-antibody interaction

Question

Write some common features of antigen-antibody interaction.

Answer 1

a) The reaction is very specific and antigen joins only with its equivalent antibody and vice-versa.

b) Whole molecules react however not the fragment.

c) There is no de-naturation of antibody or antigen throughout the reaction.

d) The grouping of antigen-antibody is firm although reversible. The firmness of the reaction is persuaded by the avidity and affinity of the reaction.

e) Both antibodies and antigens participate in the formation of precipitation and agglutination reactions.

f) Antibodies and Antigens can join in different proportions dissimilar to chemicals with fixed valency.