A remarkable number of marine organisms, venomous animals produce venom in a specialized gland. Venom is a mixture of mainly protein and peptide toxins. In contrast, poisonous animals may have special glands that produce toxins but more often accumulate toxic compounds from the environment in their bodies. These substances are known as poisons and have to be ingested to be [...]
In this article we will discuss about:- 1. Epithelial Tissue 2. Connective Tissue 3. Muscular Tissue 4. Nervous Tissue. 1. Epithelial Tissue: Epithelial tissue is the protective covering and inner lining of the body and organs. Epithelial tissue was first to evolve during the course of evolution and is first formed during embryonic development. These tissues develop from all the [...]
The following points highlight the three important examples of transgenic animal. The examples are: 1. Cloning Dolly 2. Transgenic Mice 3. Reporter System. Example # 1. Cloning Dolly: In February 1996, Ian Wilmut and co-workers from the Roslin Institute and PPL Therapeutics, both in Edinburgh, Scotland, reported in Nature journal that they had successfully cloned a sheep from a cell [...]