An inducer
A) inhibits the synthesis of the needed enzyme(s).
B) stimulates the synthesis of the needed enzyme(s).
C) binds to the promoter and prevents the repressor from binding to the operator.
D) binds to the operator and prevents the repressor from binding at this site.
E) binds to the termination codons and allows protein synthesis to continue.

Question

Quizplus · Accepted Answer

An inducer is a molecule that stimulates the synthesis of a needed enzyme or enzymes. It does this by binding to a regulatory protein, such as a repressor, and preventing it from blocking transcription of the genes coding for the enzyme. Therefore, choice B is the correct answer.

An Inducer