Heterogenetic antigen An antigen which is possessed by a variety of different phylogenetically unrelated species; e.g., the various organ-or tissue-specific antigens, the alpha-and beta-crystalline protein of the lens of the eye, and forssman antigen. Synonym: heterophil antigen...
Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population l..
Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..
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The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..
Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..
