James is working with the lac operon of Escherichia coli (E. coli). He places the bacteria on a plate of growth media. Based on the current understanding of this operon, which hypothesis would be useful for James to test? Addition of allolactose to the bacterial growth media should increase the speed at which the bacteria metabolize the sugar lactose. Removal of the RNA polymerase molecule should increase the amount of bacterial growth on the plate. Addition of the fruit sugar, fructose, should inhibit bacterial growth. Splicing the genes of the bacteria with other organisms should increase bacterial growth rates.
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