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Cellular and Molecular Biology

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Moderate

Constitutive Mutations in the lac Operon

CELLS-VLRS1E

Which of the following mutations in the lac operon would likely result in constitutive expression of the operon?

Select ALL that would result in constitutive expression.​

A

A large deletion in lacO.

B

A null mutation in lacZ.

C

A mutation in the sequence of lacI that encodes the allolactose binding site.

D

A large deletion in lacI.

E

A large deletion in lacP.