What Are Transcription Factors

Multiple Choice

What are transcription factors?

A) Transcription factors are proteins that help the repressor bind to the operator.
B) Transcription factors are proteins that help RNA polymerase bind to the promoter.
C) Transcription factors are proteins that help DNA polymerase bind to the promoter.
D) Transcription factors are proteins that help helicases bind to the operator.
E) Transcription factors are proteins that help the operator bind to the repressor.