Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain
Definitions / Explanation : $B$-lymphocytes & $T$-lymphocytes
Why is an antibody molecule represented as $H_2I_2$ ?
What are recombinant $DNA$ vaccines ? Give two examples of such vaccines. Discuss their advantages.
Colostrum, the yellowish fluid, secreted by mother during the Inittlal days of lactation is very essentlal to impart immunity to the newbom infants because it contains