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True/False : The sequence TATAA is recognized by a basic helix-loop-helix protein and is necessary to activate transcription.

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Final answer:

The sequence TATAA is recognized by a transcription factor called TFIID and is necessary for activating transcription.

Step-by-step explanation:

True. The sequence TATAA is recognized by a transcription factor called TFIID, which contains a TATA-binding protein. The TATA box is a consensus sequence found in the core promoter region, about 25-35 bases upstream of the transcriptional start site. The binding of TFIID to the TATA box recruits other transcription factors and allows for the activation of transcription initiation complex.

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