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 study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..
Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..
The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..
