Erythrogenic toxin
(Science: protein) toxin produced by strains of streptococcus pyogenes responsible for scarlet fever. Three antigenic variants of the toxin are known. It is a small protein that is complexed with hyaluronic acid and can intensify the effects of other toxins such as endotoxin and streptolysin o.
Erythrogenic toxin (Science: protein) toxin produced by strains of streptococcus pyogenes responsible for scarlet fever. Three antigenic variants of the toxin are known. It is a small protein that is complexed with hyaluronic acid and can intensify the effects of other toxins such as endotoxin and streptolysin o...
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..
This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..
In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..
Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..
