Period from the entrance of pathogens into the body and their multiplication to show initial symptoms of disease is known as
Incubation period
First period
Climax period
Infection period
Infantile amaurotic idiocy $(Tay-Sachs disease)$ is
The drug 'cyclosporin' used for organ transplant patients is obtained from a
Which of the following cells are involved in defence mechanism of the body?
If a muscle fails to give stimulation action and there is much ingestion of lactic acid, the condition is termed as
Which of the following is a characteristics of antibodies?