题目内容

In the transcription factor which contains helix-loop-helix motif,its DNA binding domain usually contains more acidic amino acid.()

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All of the transcription factors can bind to the basical transcriptional apparatus to initiate the transcription.()

Transcription factor is the protein factor that can promote the initiation of transcription.()

Transcription factors must contain DNA binding domain.()

In the following motifs of transcription factors, which can help the dimerization of transcription factor:()

A. Zif
B. Leucine zipper
C. BHLH
D. HTH

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