Fab
(Science: immunology) fragment of immunoglobulin prepared by papain treatment. Fab fragments (45 kD) consist of one light chain linked through a disulphide bond to a portion of the heavy chain and contain one antigen binding Site. They can be considered as univalent antibodies.
This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..
A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..
This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..
This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..