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Review Chapter 17 1 How does lacI inhibit transcription of lacZ and lacY 2 What are the three mechanisms of gene expression regulation in prokaryotes 3 Why do cells regulate gene expression 4 prevents expression of galactosidase 5 Lactose is broken down into A Galactose and sucrose B Glucose and lactose C Citric acid and glucose D Glucose and galactose 6 Describe the function of lacZ lacY and lacI 7 Regulation of lacZ and lacY by lacI is an example of what type of control 8 Describe how glucose negatively regulates the expression of lacZ and lacY 9 How is lacI inhibited 10 When lactose is broken down into glucose and galactose glucose is able to prevent the further metabolism of lactose by what mechanism
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