What Is the Role of Gal4 in Yeast Two-Hybrid Experiments

question 14

Multiple Choice

What is the role of Gal4 in yeast two-hybrid experiments?

• A) It is a selectable marker.
• B) It is a reporter gene.
• C) It metabolizes galactose,which is used as an energy source.
• D) It is split into two domains that together promote transcription of a target gene.
• E) Its ability to interact with other proteins is tested.

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