- 産業: Agriculture
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Established in October 1945 with the objective of eliminating hunger and improving nutrition and standards of living by increasing agricultural productivity, FAO coordinates the efforts of governments and technical agencies in programs for developing agriculture, forestry, fisheries, and land and ...
The portion of the electromagnetic spectrum with wavelengths from about 100 to 400 nm; between ionizing radiation (X-rays) and visible light. UV is absorbed by DNA and is highly mutagenic to unicellular organisms and to the epidermal cells of multicellular organisms. UV light is used in tissue culture for its mutagenic and bactericidal properties.
Industry:Biotechnology
The possibility that a new, small, isolated population may be genetically different from the "parent" population, because the founding individuals (being a small, random sample from the large, "parent" population) could be quite different from typical members of the "parent" population.
Industry:Biotechnology
The practice of choosing individuals from a population for reproduction, usually because these individuals possess one or more desirable traits.
Industry:Biotechnology
The precursor of the cell wall, formed as cytokinesis starts during cell division. The cell plate develops in the region of the equatorial plate and arises from membranes in the cytoplasm.
Industry:Biotechnology
The predominant <i>in vivo</i> form of plasmid, in which the plasmid is coiled around histone-like proteins. Supporting proteins are stripped away during extraction from the bacterial cell, causing the plasmid molecule to supercoil around itself <i>in vitro</i>.
Industry:Biotechnology
The preservation of germplasm resources in a dormant state by cryogenic techniques, as currently applied to storage of plant seeds and pollen, micro-organisms, animal sperm, and tissue culture cell lines.
Industry:Biotechnology
The pressure generated within a cell; it is the difference between the osmotic potential within the cell and the water potential of the external environment, provided the cell volume is constant.
Industry:Biotechnology
The prevention of growth or development of an organism by a substance or another organism.
Industry:Biotechnology
The principle that a living organism can only arise from other living organisms similar to itself and can never originate from non-living material.
Industry:Biotechnology
