who came up with the endosymbiotic theory?
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The Endosymbiotic Theory ... first postulated by Lynn Margulis in the 1967. Dr. Margulis was doing reserarch on the origin of eukaryotic cells.
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Proving the germ theory of disease was the crowning achievement of the French scientist Louis Pasteur. He was notthe first to propose that diseases were caused by microscopic organisms, but the view was controversial in the 19th century, and opposed the accepted theory of “spontaneous generation”.
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The term vitamin is derived from the word vitamine, which was coined in 1912 by Polish biochemist Casimir Funk, who isolated a complex of micronutrients essential to life, all of which he presumed to be amines.
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1: Structure of an Animal Cell: The cell is the basic unit of life and the study of the cell led to the development of the cell theory. By the late 1830s, botanist Matthias Schleiden and zoologist Theodor Schwann were studying tissues and proposed the unified cell theory.
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Explanation: Primary endosymbiosis occurs when a eukaryotic cell engulfs and absorbs a prokaryotic cell, such as a smaller cell that undergoes photosynthesis (eg. cyanobacteria). Secondary endosymbiosis occurs when a eukaryotic cell engulfs and absorbs another eukaryotic cell.
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coli bacteria were discovered in the human colon in 1885 by German bacteriologist Theodor Escherich. Dr. Escherich also showed that certain strains of the bacterium were responsible for infant diarrhea and gastroenteritis, an important public health discovery. Although E.
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Galen built on Hippocrates Theory of the Four Humours and developed ideas on how to treat illness through his ideas on the Theory of the Opposites. The idea was that if you had too much phlegm you needed something hot and dry to bring this humour back into balance.
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The osazone formation reaction was developed by famous German chemist Emil Fischer, who used the reaction as a test to identify monosaccharides whose stereochemistry differed by only one chiral carbon.
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John Dalton, a British chemist, proposed his theory about atoms in the early 1800s. The theory was not initially accepted, but is now considered a foundation for modern Chemistry.
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Mitochondria and chloroplasts are believed to have developed from symbiotic bacteria, specifically alpha-proteobacteria and cyanobacteria, respectively. The theory states that a prokaryotic cell was consumed or engulfed by a larger cell.
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The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells. Rudolf Virchow later made important contributions to this theory. ... The cell is the fundamental unit of structure and function in living things.
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The nearly neutral theory was proposed by Tomoko Ohta in 1973. The population-size-dependent threshold for purging mutations has been called the "drift barrier" by Michael Lynch, and used to explain differences in genomic architecture among species.
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Phillip Johnson is known as the father of intelligent design. The idea in its current form appeared in the 1980s, and Johnson adopted and developed it after Darwinian evolution came up short, in his view, in explaining how all organisms, including humans, came into being.
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There are 5 contributors to the cell theory: Robert Hooke. Anton van Leeuwenhoek. Matthias Schleiden.
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Both mitochondria and chloroplasts contain their own DNA and ribosomes. ... In a second endosymbiotic event, the early eukaryote consumed photosynthetic bacteria that evolved into chloroplasts."
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Theory of Evolution. The theory of evolution is a shortened form of the term “theory of evolution by natural selection,” which was proposed by Charles Darwin and Alfred Russel Wallace in the nineteenth century.
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The theory was created by behaviorist Clark Hull and further developed by his collaborator Kenneth Spence. According to the theory, the reduction of drives is the primary force behind motivation. While the drive-reduction theory of motivation was once a dominant force in psychology, it is largely ignored today.