Multiple choice

What is the function of lac repressor?

  1. It binds to the CAP site and prevents transcription.

  2. Lac repressor binds to the CAP site and facilitates transcription.

  3. Lac repressor binds to the operator and prevents transcription.

  4. Lac repressor binds to the operator and facilitates transcription.

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

When lac repressor binds to the operator, transcription is blocked.