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)...
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..
With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..
The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..
This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..
Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..
