Antibodies are host proteins that are produced by the immune system in response to foreign molecules that enter the body. These foreign molecules are called antigens, and their molecular recognition by the immune system results in selective production of antibodies that are able to bind the specific antigen.his ability of animal immune systems to produce antibodies capable of binding specifically to antigens can be harnessed to manufacture probes for detection of molecules of interest in a variety of research and diagnostic applications.
Slavery took place in many places including the Southern states in the U.S. in the 1800's and before that. Slavery has taken place since human beings stopped being hunter-gatherers.
Introduction. Slavery in America began when the first African slaves were brought to the North American colony of Jamestown, Virginia, in 1619, to aid in the production of such lucrative crops as tobacco.fter the American Revolution (1775-83), many colonists (particularly in the North, where slavery was relatively unimportant to the economy) began to link the oppression of black slaves to their own oppression by the British, and to call for slaveryâs abolition.