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

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DNA repair

DNA repair DNA repair refers to a collection of processes by which a cell identifies and corrects damage to the DNA molecules that encode its genome . In human cells, both normal metabolic activities and environmental factors such as UV light can cause DNA damage, resulting in as many as 1 mil more

Sequence alignment

Sequence alignment In bioinformatics , a sequence alignment is a way of arranging the primary sequence s of DNA , RNA , or protein to identify regions of similarity that may be a consequence of functional, structural , or evolution ary relationships between the sequences. Aligned sequences of nucl more

G. Ledyard Stebbins

G. Ledyard Stebbins George Ledyard Stebbins, Jr. (January 6 1906 – January 19 2000 ) was an American botanist and geneticist who is widely regarded as one of the leading evolutionary biologists and botanists of the 20th century. Stebbins received his Ph.D. in botany from Harvard Uni 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

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