Exotoxin
(Science: protein) toxin released from gram-positive and gram-negative bacteria as opposed to endotoxins that form part of the cell wall.
Examples are cholera, pertussis and diphtheria toxins. Usually specific and highly toxic.
Dictionary > Exotoxin
You will also like...

Running Water Freshwater Communities
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..

Psychiatry & Mental Disorders
Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..

The Human Nervous System
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..

Growth and Plant Hormones
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..

The Hominids
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..

Biosecurity and Biocontrol
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..