My watch list
my.bionity.com  
Login  
ENCYCLOPEDIA

Search Encyclopedia

bionity.com's Life Science Encyclopedia provides articles for 57,945 entries from biotechnology, pharmaceutics, medicine and biology as well as related scientific disciplines.

Definitions

Down syndrome

Down syndrome Down syndrome or trisomy 21 (usually Down's Syndrome in British English Characteristics known as Brushfield spots Individuals with Down syndrome may have some or all of the following physical characteristics: oblique eye fissures with epicanthic skin fold s on the inner corner of more

Chromatophore

Chromatophore chromatophores mediate background adaptation on exposure to dark (top) and light environments (bottom). Chromatophores are pigment -containing and light-reflecting cells found in amphibian s, fish , reptile s, crustacean s, and cephalopod s. They are largely responsible for generati more

Xenon

Xenon Xenon ( in the UK, in the US) is a chemical element that has the symbol Xe and atomic number 54. A colorless, heavy, odorless noble gas , xenon occurs in the earth's atmosphere in trace amounts. Although generally unreactive, xenon can undergo a few chemical reaction s such as the forma more

Technetium

Technetium |- | Electron affinity || -53 kJ/mol Technetium () is the lightest chemical element with no stable isotope . It has atomic number 43 and is given the symbol Tc. The chemical properties of this silvery grey, crystalline transition metal are inte more

DNA

DNA Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms . The main role of DNA molecule s is the long-term storage of information . DNA is often compared to a set of blueprints, since it cont more

Your browser is not current. Microsoft Internet Explorer 6.0 does not support some functions on Chemie.DE