Why are antigens called antibody-generating chemicals ?

Why are antigens called antibodies generating chemicals ?

Why are plants called autotrophs?

Why are alkenes called olefins ?

Antigens are present

Elisa technique is based on antigen and antibody interaction. Can this technique be used in the molecular diagnosis of gentic disorder such as phenylketonria?

Why are animals called consumers?

Why is cleavage called a fractionating process?

Why transistor is so called?