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why is gene regulation necessary in the development of multicellular organisms? Use a specific example to support your arguement.
Weegy: Gene regulation is needed in the development of multi-cellular organisms because the complexity of animals and plants depends on a remarkable feature of the genetic control system. [ [ Cells have a memory: the genes a cell expresses and the way it behaves depend on the cell's past as well as its present environment. Furthermore, in multicellular organisms, gene regulation drives the processes of cellular differentiation and morphogenesis, leading to the creation of different cell types that possess different gene expression profiles, and hence produce different proteins/have different ultrastructures that suit them to their functions (though they all possess the genotype, which follows the same genome sequence). ] ] (More)
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Asked 1/13/2013 10:46:09 PM
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Suppose you are a scientist trying to help people who cannot produce an enzyme neded for proper digestion. How could you use genetic engineering techniques to make transformed bacteria that produce the enzyme?
Weegy: This could be done in many ways, but likely the most simple would be to engineer E. coli. E. coli are engineered to produce all sorts of products for humans, such as proteins and enzymes which are purified for lab use. [ [ It would be a relatively simple matter to have it excrete the missing enzyme for the host. Since it is a communal bacteria, it could live happily in the host GI tract, although may occasionally have to be taken as a probiotic to ensure that there are enough bacteria to keep producing sufficient amounts of enzyme..... ] ] (More)
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Asked 1/13/2013 11:07:15 PM
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