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Subsequent research has shown possible routes of synthesis; for example, formamide produces all four ribonucleotides and other biological molecules when warmed in the presence of various terrestrial minerals. [124] [125] The RNA world hypothesis proposes that undirected polymerisation led to the emergence of ribozymes, and in turn to an RNA ...
A scenario is a set of related concepts pertinent to the origin of life (abiogenesis), such as the iron-sulfur world. Many alternative abiogenesis scenarios have been proposed by scientists in a variety of fields from the 1950s onwards in an attempt to explain how the complex mechanisms of life could have come into existence. These include ...
This clickable timeline template was originally derived from {{Nature timeline}} for inclusion in the article "Abiogenesis". It is not an article! To use it in an article, use the code {{Abiogenesis timeline}}.
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Food safety; Terms; Foodborne illness; Good manufacturing practice (GMP) Hazard analysis and critical control points (HACCP) Hazard analysis and risk-based preventive controls (HARPC) Critical control point; Critical factors; FAT TOM; pH; Water activity (a w) Bacterial pathogens; Clostridium botulinum; Escherichia coli; Listeria; Salmonella ...
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Lichens located in tundra climates are an exceptional example of a primary producer that, by mutualistic symbiosis, combines photosynthesis by algae (or additionally nitrogen fixation by cyanobacteria) with the protection of a decomposer fungus. As there are many examples of primary producers, two dominant types are coral and one of the many ...
Food safety (or food hygiene) is used as a scientific method/discipline describing handling, preparation, and storage of food in ways that prevent foodborne illness.The occurrence of two or more cases of a similar illness resulting from the ingestion of a common food is known as a food-borne disease outbreak. [1]