Induction of thetrp operon by lactose

Reference no: EM13532316

1. What effect will each of the following have on induction of thelac operon by lactose in a medium that lacks glucose?

a. A mutation that inactivates beta-galactosidase.
b. A mutation that inactivates galactoside permease.
c. A mutation that makes the lac repressor proteinincapable of binding to the lac operator site.
d. A mutation that makes the lac operator site incapableof binding the lac repressor protein.
e. A mutation that makes the lac repressor proteinincapable of binding allolactose.

2. What effect will each of the following have on induction of thetrp operon by lactose?

a. A mutation in the trpR gene?
b. A mutation in the trpO gene?
c. A mutation in the trpL gene?

Reference no: EM13532316

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