The lac operon in Escherichia coli Group of answer choices promotes the expression of lactose-utilizing enzymes when lactose is absent from the environment. prevents lactose-utilizing enzymes from being expressed when lactose is absent from the environment. prevents lactose intolerance. prevents lactose-utilizing enzymes from being expressed when lactose is present in the environment.
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Give an example of a trait that is controlled by more than one gene.
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The theory explains the movement of water through the xylem cells from root to leaf.
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The lac operon in Escherichia coli Group of answer choices promotes the expression of lactose-utiliz...
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