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Hypothetical types of biochemistry - Wikipedia

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Hypothetical types of biochemistry are forms of biochemistry agreed to be scientifically viable but not proven to exist at this time.[2] The kinds of living organisms currently known on Earth all use carbon compounds for basic structural and metabolic functions, water as a solvent, and DNA or RNA to define and control their form. If life exists on other planets or moons it may be chemically similar, though it is also possible that there are organisms with quite different chemistries[3] – for instance, involving other classes of carbon compounds, compounds of another element, or another solvent in place of water. The possibility of life-forms being based on "alternative" biochemistries is the topic of an ongoing scientific discussion, informed by what is known about extraterrestrial environments and about the chemical behaviour of various elements and compounds. It is of interest in synthetic biology and is also a common subject in science fiction. The element silicon has been much disc

Hypothetical types of biochemistry - Wikipedia Jump to content From Wikipedia, the free encyclopedia Possible alternative biochemicals used by life forms This article needs more citations . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . Find sources: "Hypothetical types of biochemistry" – news · newspapers · books · scholar · JSTOR ( February 2026 ) ( Learn how and when to remove this message ) False-color Cassini radar mosaic of Titan 's north polar region; the blue areas are lakes of liquid hydrocarbons. "The exis

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