Interferons are
Antiviral proteins
Complex proteins
Anti-bacterial proteins
Anti-cancer proteins
Why is an antibody molecule represented as $H_2I_2$ ?
"Graveyard of $RBCs$''
Active immunity may be acquired by
$MALT$ constitutes about _______ percent of the lymphoid tissue in human body.
Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain