Plant-incorporated protectants are pesticidal substances produced and used by the living plant,typically to protect the plant from pests, such as insects, viruses, and fungi. Plant-incorporatedprotectants can occur naturally in plants, or can be introduced into plants through either theconventional breeding of sexually compatible plants or through the techniques of modern biology (e.g.genetic engineering). For example, the Cry proteins from Bacillus thuringensis (Bt) bacteria can beintroduced into plants, which then produce the pesticidal protein and provide the plant with resistanceto Lepidopteran insects (e.g. the European corn borer larvae). Plant-incorporated protectants havealso been referred to as plant-pesticides.
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Indexes are automatically maintained and used by ORACLE. Changes to table data are automatically incorporated into all relevant indexes.
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Saturday, May 10, 2008
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The circuit conductors between the service entrance equipment or isolated generating plant and the branch circuit overload device or devices.
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It is the amount of a long term asset's cost that has been allocated to Depreciation Expense since the time that the asset was acquired. Accumulated Depreciation is a long-term contra asset account (an asset account with a credit balance) that is reported on the balance sheet under the heading Property, Plant, and Equipment.
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Green biotechnology is biotechnology applied to agricultural processes. It is the designing of an organism
to grow under specific environmental conditions or in the presence or absence of certain agricultural chemicals.
Green biotechnology tends to produce environmentally more friendly solutions than traditional industrial agriculture.
An example of this is the engineering of a plant to express a pesticide, thereby reducing the need for external
application of pesticides.
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Thursday, March 20, 2008
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Transgenic crops with TPS will not spread their genes to surrounding plants.
The TPS genes are transferred on pollen, so any plant pollinated by a TPS plant will produce dead seeds.
This would prevent accidental gene flow from transgenic crops to wild plant populations.
Companies may develop improved crop varieties .If a seed company knows it will be able to "protect its
investment" in the development of new varieties, including transgenics, by preventing farmers from saving seed and replanting from year to year, more effort will be put into the development of improved varieties.
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Recombinant DNA is DNA that has been created artificially.
DNA from two or more sources is incorporated into a single recombinant molecule.
BamHI cuts the same site on both molecules
5' GGATCC 3'
3' CCTAGG 5'.
The ends of the cut have an overhanging piece of single-stranded DNA.
These are called "sticky ends" because they are able to base pair with any DNA molecule containing the
complementary sticky end.
In this both DNA preparations have complementary sticky ends and thus can pair with each other when mixed.
DNA ligase covalently links the two into a molecule of recombinant DNA.
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