Multiple choice

A vast range of specific protein-DNA interactions occur due to the unique and major motifs. Which of the following listed motifs includes lactose repressors and cyclic AMP catabolite activator protein?

  1. Leucine Zipper Motif

  2. Zinc Finger Motif

  3. Helix-Turn-Helix Motif

  4. Helix-Loop-Helix Motif

  5. BLAST
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Helix motif proteins include lactose repressors and cyclic AMP catabolite activator protein or CAP of E.coli,  and several developmentally important transcription factors in mammals, collectively referred to as homeodomain proteins. Homeodomain proteins play a major role in development of mammals.

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