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artificial chromosome
Chromosomes, Artificial Artificial chromosomes are laboratory constructs that contain DNA sequences and that perform the critical functions of natural chromosomes. They are used to introduce and control new DNA in a cell, to study how chromosomes function, and to map genes in genomes. Natural... Read more |
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Innovation
InnovationFactors determining rate and directionThe economic effectsBIBLIOGRAPHYInnovation is here defined as the process by which new products and techniques are introduced into the economic system. Successful innovation results in the capability of doing something that could not be done before, or... Read more |
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citrus fruits
citrus fruits widely used edible fruits of plants belonging to Citrus and related genera of the family Rutaceae ( orange family). Included are the tangerine, citrange, tangelo, orange, pomelo, grapefruit , lemon , lime , citron , and kumquat . Almost all the species bearing edible fruits... Read more |
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Exotic Species
Exotic Species Exotic species, which are also known as alien species, invasive species, non-indigenous species, and bioinvaders, are species of plants or animals that are growing in a nonnative environment. Alien species have been moved by humans to areas outside of their... Read more |
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eutrophication
eutrophication , aging of a lake by biological enrichment of its water. In a young lake the water is cold and clear, supporting little life. With time, streams draining into the lake introduce nutrients such as nitrogen and phosphorus, which encourage the growth of aquatic organisms. As the lake's... Read more |
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Analytical Engine
Analytical Engine Inventions are often preceded by prototypes that introduce new concepts, serving as models in which development will occur. Sometimes these prototypical ideas arise before they can be carried out in any practical way. Such is the case of the Analytical... Read more |
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biological control
biological control The control of pests by biological (rather than chemical) means. This may be achieved, for example, by breeding disease-resistant crops or by introducing a natural enemy of the pest, such as a predator or a parasite. This technique, which may offer substantial advantages over the... Read more |
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Thin layer chromatography
Thin Layer Chromatography A central part of many forensic investigations is the analysis of materials that are recovered from the scene of the investigation. A mainstay technique used to separate and identify individual components in a mixture of compounds is chromatography . One type of... Read more |
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Video equipment industry
DVD Player Digital video disk or digital versatile disk (DVD) is a type of optical data storage medium capable of holding up to 17 giga-bytes (GB) of information. First introduced during the mid-1990s, they were developed as an improved form of compact disk (CD) technology.... Read more |
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Nondecision-Making
Nondecision-Making BIBLIOGRAPHY Peter Bachrach and Morton Baratz (1970) first introduced the concept of nondecision-making, contesting the dominant explanation of the use of power in decision-making by asking how issues are suppressed and the scope of decision-making restricted. This was a... Read more |
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