Watson-Schwartz test
A qualitative screening test for diagnosis of acute intermittent porphyria by the addition of Ehrlich’s reagent and saturated sodium acetate to the urine; a pink or red colour indicates the presence of porphobilinogen or urobilinogen; the former indicates porphyria, the latter does not; therefore, positive results require further differential extraction with butanol and chloroform to eliminate false-positive results due to urobilinogen.
The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..
This tutorial looks at the mutation at the gene level and the harm it may bring. Learn about single nucleotide polymorph..
Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are m..
Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..
The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..