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Practice: Determining Type of Regulation You are doing an experiment to determi…

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Wize University Biology Textbook > Gene Expression & Regulation

Prokaryotic Operons: Maltose (mal) Operon

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Practice: Determining Type of Regulation

You are doing an experiment to determine the mechanism of gene expression of a bacterial operon responsible for the utilization of trehalose. You know Bcd1 is the regulator. You have two strains of the bacteria: one has the normal Bcd1 regulator (+bcd1), and the other does not (-bcd1). You obtain the following results when growing the two strains with and without trehalose:


Is this system....
More Prokaryotic Operons: Maltose (mal) Operon Questions:
Practice: MalT in Mutant Cell
Predict the phenotype if a wild-type malT gene is introduced into the malT mutant cell (MalT can no longer bind the operator)
Practice: MalT Mutant
Predict the phenotype of a malT mutant in which malT can no longer bind to the operator: