The reform legislature passed the Stetson-Eshelman Act, which increased the state Railroad Commissionâs authority and power to fix passenger and freight rates; thus ending Southern Pacific Railroadâs (SP) crushing monopolistic practices.
From Wikipedia, the free encyclopedia. In immunology, an antigen is a molecule capable of inducing an immune response on the part of the host organism, though sometimes antigens can be part of the host itself. In other words, an antigen is any substance that causes an immune system to produce antibodies against it.
An antigen is a foreign particle that enters the body. This could be a disease causing agent such as part of a bacterium or virus or could be a particle such as pollen or dust â¦ . An antibody is a protein made by the body's immune system.