Which of the following is a characteristics of antibodies?
Carbohydrate structure
Composed of heavy and light polypeptide chains
Three binding sites per antibody monomer
All of the above
$A$ : It is considered advantageous to give the polio vaccine orally.
$R$ : It prevents reinfection by causing intestinal immunity
Malaria is transmitted by ’Anopheles'. This was discovered by
Antibody formation and immunity production is done by a protein called globulin present in the
A person has developed interferon in his body. He seems to carry an infection of
Secondary metabolites such as nicotine, strychnine and caffelne are produced by plants for their :