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)...
Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..
Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
