The region in the body where the polio virus multiplies is
Nerve cells
Intestinal cells
Muscle cells
None of these
Infantile amaurotic idiocy $(Tay-Sachs disease)$ is
The drug 'cyclosporin' used for organ transplant patients is obtained from a
Interferon is inhibitory to
Which of the following does not cause a disease in human beings
Use of which causes destruction of chromosomes