Multiple choice

Which among the following is a DNA-binding protein that regulates the expression of one or more genes ?

  1. Enhancer

  2. Insulator

  3. Repressor

  4. Silencer

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A repressor is a DNA-binding protein that regulates the expression of one or more genes by binding to the operator & blocking the attachment of RNA polymerase to the promoter, thus inhibiting transcription of the genes.