The below mentioned article provides notes on Enzyme Linked Immunosorbent Assay (EIA). Enzyme immunoassay (EIA) was first described by Engvall and Perlmann (1971, 1972), and by von Weemen and Schuurs (1971, 1972). The technique was derived from the work of Nakane and Pierce (1967) which showed that antibodies could be labelled with enzymes for use in histochemical staining of tissues [...]
In this article we will discuss about the mechanism of eukaryotic gene expression, particularly in humans. 1. In multicellular organism, each cell expresses a subset of its genes. 2. A cell expresses different genes depending on its growth state or environment. 3. Sometimes gene transcripts are spliced differently in different cells. 4. Each gene carries not only structural information but [...]
In this article we will discuss about the physical basis of heredity with theories investigated by a great number of workers, some of whose results are as follows: Encasement Theory: One of the older, but now abandoned, ideas was set forth in the preformation or encasement theory, which supposed that the germs of all future generation were encased one within [...]