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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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Alfred Russel Wallace

Alfred Russel Wallace Alfred Russel Wallace OM , FRS (8 January 1823 – 7 November 1913 ) was a British naturalist , explorer , geographer , anthropologist and biologist . He did extensive fieldwork first in the Amazon River basin, and then in the Malay Archipelago , where he identifie more

Asthma

Asthma Asthma is a chronic condition involving the respiratory system in which the airway occasionally constricts, becomes inflamed , and is lined with excessive amounts of mucus , often in response to one or more triggers. These episodes may be triggered by such things as exposure to an envir more

Evolution

Evolution In biology , evolution is a change in the inherited traits of a population from one generation to the next. These traits are the expression of gene s that are copied and passed on to offspring during reproduction . Mutation s in these genes can produce new or altered traits, res more

Helicobacter pylori

Helicobacter pylori Helicobacter pylori () is a Gram-negative , microaerophilic , and acidophilic bacterium that infects various areas of the stomach and duodenum . Many cases of peptic ulcer s, gastritis , duodenitis , and perhaps some cancer s are caused by H. pylori infections. However, man more

Oxidative phosphorylation

Oxidative phosphorylation in the mitochondrion is the site of oxidative phosphorylation in eukaryote s. The NADH and succinate generated in the citric acid cycle is oxidized, releasing energy to power the ATP synthase . Oxidative phosphorylation is a metabolic pathway that uses energy released b more

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