Which of the following statements is CORRECT regarding the lac repressor protein expressed from the lacI gene in Escherichia coli?

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Biology · Molecular Genetics

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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The lac repressor is allosterically controlled and binds directly to the lac operator.

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Answer 1

The lac repressor is allosterically controlled and binds directly to the lac operator.

Answer 2

The lacI gene must always be in a cis configuration to function.

Answer 3

The presence of glucose directly weakens the affinity of the lac repressor for the operator.

Answer 4

The lac repressor is an RNA molecule that acts as a riboswitch.

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