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...
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
This tutorial presents the benefits and the possible adverse eventualities of genetic engineering. Know more about this ..
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..
Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are m..
This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..
Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..
