A lacOᶜ mutant would
A)never make lac structural genes.
B)be constitutively expressed.
C)bind receptor protein.
D)have repressed expression.
E)be able to be induced by lactose.

Question

Quizplus · Accepted Answer

A lacOᶜ mutant would have a mutated operator site for the lac repressor protein to bind, resulting in the inability of the repressor to block transcription. This would lead to constitutive expression of the lac operon, regardless of the presence or absence of lactose.

A LacOᶜ Mutant Would