Which of the following cells are involved in defence mechanism of the body?
Macrophages
Neutrophils
Lymphocytes
All of these
Antigen binding site in an antibody is formed by
Human immunodeficiency virus is a/an
Surgical removal of thymus of a new born shall result in the failure to produce
The principle of sterilization is based upon experiment carried by
‘Paraplegia' refers to the paralysis of