Test: GRE Subject Test: Biochemistry, Cell, and Molecular Biology

1.

How do master regulators, which are transcription factors, establish cell subtypes and cell subtype-specific gene expression? 

Master regulators promote the deposition of methyl or acetyl groups to mark inactive or active enhancers 

Master regulators promote active promoter formation by deposition of methyl groups 

Master regulators bind promoters by not enhancers to initiate specific gene expression

None of the other answers

Master regulators always promote formation of euchromatin in nucleosome dense regions 

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