Because they provide new insights in the research for biotechnology and other useful resources to the knowledge of biology.
<span>Transgenic means that one or more DNA sequences from another species has been introduced by artificial means. For example, animals usually are made transgenic by having a small sequence of DNA injected into a fertilized egg or developing embryo. Transgenic plants can be made by introducing foreign DNA into a variety of different tissues.</span>
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Water intensive agriculture takes away liters of water that can be used to help a significant population survive. Cultivation of these crops has even endangered some areas of water scarcity.
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Active transport: movement against a gradient To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the proper concentrations of ions and molecules in living cells.
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go to google then look it up
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See how annoying this is? If you're going to answer someone's question, give an actual answer.