Which immunoglobulin is the largest in size
$IgA$
$IgD$
$IgE$
$IgM$
A chemical substance produced by a microorganism for inhibiting the growth of another is
The immunoglobulin abundant in colostrums is
Vermiform appendix is made up of
Koch's postulates are not applicable to
Which one of the following is most carcinogenic present in tobacco smoke