College Biology Quiz
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GENE EXPRESSION & REGULATION
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A researcher is investigating tissue-specific gene expression in liver versus muscle cells. Both cell types express the gene for glucose transporter GLUT4, but the liver expresses GLUT2 while muscle does not. The data table shows the presence (+) or absence (-) of various transcription factors in each tissue. Based on this information, which transcription factor is most likely responsible for liver-specific expression of GLUT2? 
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