homochirality
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Homochirality — is a term used to refer to a group of molecules that possess the same sense of chirality. Molecules involved are not necessarily the same compound, but similar groups are arranged in the same way around a central atom. In biology homochirality is … Wikipedia
Abiogenesis — Primordial soup redirects here. For the board game, see Primordial Soup (board game). Origin of life redirects here. For views on the origins of life outside the natural sciences, see Creation myth. Pre Cambrian stromatolites in the Siyeh… … Wikipedia
Homochiralität — Der Begriff Homochiralität wird verwendet, um eine Gruppe von Molekülen zu beschreiben, die den gleichen Chiralitätssinn besitzen. Die Moleküle sind dabei nicht unbedingt identisch, aber ähnliche Substituenten sind auf die gleiche Weise um ein… … Deutsch Wikipedia
Serine octamer cluster — The Serine octamer cluster in physical chemistry is an unusually stable cluster consisting of eight serine molecules (Ser) implicated in the origin of homochirality. [cite journal | title = Chiroselective Self Directed Octamerization of Serine:… … Wikipedia
Murchison meteorite — Murchison A Murchison meteorite specimen at the National Museum of Natural History (Washington) Type Chondrite Class Carbonaceous chondrite … Wikipedia
Unsolved problems in chemistry — tend to be questions of the kind Can we make X chemical compound? , Can we analyse it ? , Can we purify it ? and are commonly solved rather quickly, but may just as well require considerable efforts to be solved. However, there are also some… … Wikipedia
Amino acid — This article is about the class of chemicals. For the structures and properties of the standard proteinogenic amino acids, see Proteinogenic amino acid. The generic structure of an alpha amino acid in its unionized form … Wikipedia
RNA world hypothesis — A comparison of RNA (left) with DNA (right), showing the helices and nucleobases each employs. The RNA world hypothesis proposes that life based on ribonucleic acid (RNA) pre dates the current world of life based on deoxyribonucleic acid (DNA),… … Wikipedia
Racemic mixture — In chemistry, a racemic mixture, or racemate , is one that has equal amounts of left and right handed enantiomers of a chiral molecule. The first known racemic mixture was racemic acid , which Louis Pasteur found to be a mixture of the two… … Wikipedia
Chirality (chemistry) — L form redirects here. For the bacterial strains, see L form bacteria. Two enantiomers of a generic amino acid … Wikipedia
