What type of regulation occurs when the product of the regulator gene is necessary to shut off the expression of structural genes?
A) Constitutive control
B) Positive control
C) Negative control
D) Feedback control
E) None of these are correct.

Question

Quizplus · Accepted Answer

In negative control, the product of the regulator gene (usually a repressor protein) binds to the DNA and prevents transcription of the structural genes. When the product of the regulator gene is necessary to shut off the expression of structural genes, it is an example of negative control. The other options are not applicable in this scenario.

What Type of Regulation Occurs When the Product of the Regulator