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From these conclusions about plants and animals, two of the three tenets of cell theory were postulated. 1. All living organisms are composed of one or more cells 2. The cell is the most basic unit of life. Schleiden's theory of free cell formation through crystallization was refuted in the 1850s by Robert Remak, Rudolf Virchow, and Albert ...
Freeplane v1.3 and above: freeplane:/%20 path to file #ID_ node number freeplane:/%20 path to file #: path / in / map / to / node geo: Open a geographic location in a two or three-dimensional coordinate reference system on your preferred maps application. Internet Engineering Task Force's RFC 5870 (published 8 June 2010)
According to Otto Kandler's pre-cell theory, [1] [2] [3] early evolution of life and primordial metabolism (see Iron-Sulfur world hypothesis - metabolism first scenario, according to Wächtershäuser [5] [6]) led to the early diversification of life through the evolution of a multiphenotypical population of pre-cells, [1] [2] [3] from which the three founder groups A, B, C and then, from them ...
In mammals, major cell types include skin cells, muscle cells, neurons, blood cells, fibroblasts, stem cells, and others. Cell types differ both in appearance and function, yet are genetically identical. Cells are able to be of the same genotype but of different cell type due to the differential expression of the genes they contain.
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Light micrograph of a moss's leaf cells at 400X magnification. The following outline is provided as an overview of and topical guide to cell biology: . Cell biology – A branch of biology that includes study of cells regarding their physiological properties, structure, and function; the organelles they contain; interactions with their environment; and their life cycle, division, and death.
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A cell is born if it has exactly three neighbours, survives if it has two or three living neighbours, and dies otherwise. The first number, or list of numbers, is what is required for a dead cell to be born. The second set is the requirement for a live cell to survive to the next generation.