soluble antigen viral antigen that remains in solution after the particles of virus have been removed by means of centrifugation; in the case of the influenza viruses, it is the internal helical structure, free of the external envelope. Synonym: s antigen...
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..
The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..
Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..
The endoplasmic reticulum and Golgi apparatus are the organelles involved in the translation step of protein synthesis a..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
