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  2. Timeline of biotechnology - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_biotechnology

    The historical application of biotechnology throughout time is provided below in chronological order.. These discoveries, inventions and modifications are evidence of the application of biotechnology since before the common era and describe notable events in the research, development and regulation of biotechnology.

  3. Common Era - Wikipedia

    en.wikipedia.org/wiki/Common_Era

    Common Era (CE) and Before the Common Era (BCE) are year notations for the Gregorian calendar (and its predecessor, the Julian calendar), the world's most widely used calendar era. Common Era and Before the Common Era are alternatives to the original Anno Domini (AD) and Before Christ (BC) notations used for the same calendar era.

  4. Timeline of biology and organic chemistry - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_biology_and...

    Part of a series on Biology Science of life Index Outline Glossary History (timeline) Key components Cell theory Ecosystem Evolution Phylogeny Properties of life Adaptation Energy processing Growth Order Regulation Reproduction Response to environment Domains and Kingdoms of life Archaea Bacteria Eukarya (Animals, Fungi, Plants, Protists) Branches Abiogenesis Aerobiology Agronomy Agrostology ...

  5. History of biology - Wikipedia

    en.wikipedia.org/wiki/History_of_biology

    Before biology, there were several terms used for the study of animals and plants. Natural history referred to the descriptive aspects of biology, though it also included mineralogy and other non-biological fields; from the Middle Ages through the Renaissance, the unifying framework of natural history was the scala naturae or Great Chain of Being.

  6. Convergent extension - Wikipedia

    en.wikipedia.org/wiki/Convergent_extension

    This is an interesting development as the PCP pathway is an integral and well-studied pathway in flies, but has classically been thought to be unemployed by vertebrates. [1] In addition to the non-canonical Wnt and PCP pathways involvement in convergent extension, the down-regulation of certain cell-cell adhesion molecules, such as C-cadherin ...

  7. Jessica Alba Said She and Cash Warren Were Like ... - AOL

    www.aol.com/jessica-alba-said-she-cash-133400669...

    Jessica Alba and Cash Warren have called it quits after almost 17 years of marriage, but it looks like the writing was kiiiinda on the wall.. Jessica opened up about her and Cash's relationship on ...

  8. Preribosomal RNA - Wikipedia

    en.wikipedia.org/wiki/Preribosomal_RNA

    Cleavages at sites A0, 1 and 2 give rise to 18S rRNA. Site 3 cleavage can take place before or after cleavage at sites A0, 1, and 2 and may be responsible for the linkage between 18S and 28S rRNA processing pathways. The last steps of rRNA processing require cleavages at 3, 4’, 4 and 5 in order to generate mature 5.8S and 28S rRNA.

  9. EU deal and Trump tariff threats bolster Mercosur trade talks

    www.aol.com/news/eu-deal-trump-tariff-threats...

    Brazil expects the South American trade bloc Mercosur to speed up more free trade negotiations after clinching a deal with the European Union, as the threat of U.S. tariffs forces countries to ...