polyprotein (Science: protein) protein that, after synthesis, is cleaved to produce several functionally distinct polypeptides. Some viruses produce such proteins and some polypeptide hormones seem to be cleaved from a single precursor polyprotein (pro opimelanocortin, for example)...
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
