The type of control exercised if the interaction of a regulatory protein and DNA inhibits transcription.
A)positive control
B)negative control
C)averaged control
D)circumspect control
E)neutral control

Question

Quizplus · Accepted Answer

Negative control occurs when a regulatory protein inhibits transcription by blocking RNA polymerase from binding to the promoter region of DNA. This results in a decrease or complete inhibition of gene expression. Therefore, option B, negative control is the correct answer.

The Type of Control Exercised If the Interaction of a Regulatory