Cereolysin
(Science: protein) cytolytic (haemolytic) toxin released by bacillus cereus. Inactivated by oxygen, reactivated by thiol reduction (hence thiol activated cytolysin). Binds to cholesterol in the plasma membrane and rearrangement of the toxin cholesterol complexes in the membrane leads to altered permeability.
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..
Learn about community patterns and the ecological factors influencing these patterns. Revisit some of the ecosystems you..
This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..
Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..