Biology · Molecular Biology
A eukaryotic protein 'X' activates a target gene by increasing its transcription when an inducer is added. Experimental findings: 1. Immunofluorescence shows colocalization with DAPI only in the presence of the inducer. 2. EMSA shows no direct binding to the promoter probe both with and without the inducer. 3. Chromatin immunoprecipitation shows high acetylation at the promoter only in the presence of the inducer. Which one of the following options is the correct mechanism of protein X-mediated transcriptional activation of the target gene upon addition of the inducer?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It acts in the cytoplasm as part of a signal transduction cascade.
- 2It moves to the nucleus and acts as a coactivator.✓
- 3It remains in the nucleus and acts as a chromatin modifier.
- 4It moves to the cytoplasm and acts as a repressor.
Correct answer
It moves to the nucleus and acts as a coactivator.
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