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...
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..
Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..
Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..
