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A limiting factor is a variable that affects the output or performance of a system. Learn how limiting factors operate in ecology, oceanography, and business, and see examples of different types of limitation scenarios.
Learn about the principle of growth being limited by the scarcest resource, developed by Justus von Liebig in agricultural science. Find out how it applies to biological populations, ecosystems, protein nutrition, natural resource management and biotechnology.
Learn about the essential elements and compounds for plant growth and reproduction, metabolism and supply. Find out the sources, processes, functions and deficiency symptoms of macronutrients (nitrogen, phosphorus, potassium, etc.) and micronutrients (iron, boron, zinc, etc.).
Learn about abiotic components or factors, which are non-living parts of the environment that affect living organisms and ecosystems. Find out examples of abiotic factors, such as water, temperature, light, and pressure, and how they influence biology and ecology.
A low level of one factor can sometimes be partially compensated for by appropriate levels of other factors. In case of chemical reactions it is known as law of limiting factor. A corollary to this is that two factors may work synergistically (e.g. 1 + 1 = 5), to make a habitat favorable or unfavorable. Geographic distribution of sugar maple.
A rate-limiting step is a step that controls the rate of a series of biochemical reactions, but this concept is incorrect and outdated. Learn about the historical perspective, the modern perspective and the related concepts of metabolic control analysis and biochemical systems theory.
To address such a paradox, Kuo-Chen Chou and his co-workers proposed a model by taking into account the spatial factor and force field factor between the enzyme and its substrate and found that the upper limit could reach 10 10 M −1 s −1, [6] [7] [8] and can be used to explain some surprisingly high reaction rates in molecular biology. [5 ...
The phosphorus cycle is the movement of phosphorus through the lithosphere, hydrosphere, and biosphere, unlike the atmosphere-dominated biogeochemical cycles. Learn about the sources, forms, functions, and processes of phosphorus in the environment, and how humans have affected the global phosphorus cycle.