In nucleosome positioning,activators force the nucleosome to take up positions around the promoter so RNA polymerase can bind.
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Q19: Acetylation of histones occurs on the amino
Q20: Histone acetyltransferase transfers acetyl groups from _
Q21: Layborne and Kadonage demonstrated in vitro that
Q22: Nucleosome remodeling can either activate or repress
Q23: Chromatin immunoprecipitation (ChIP)can be used to study
Q25: The energy necessary for chromatin remodeling comes
Q26: If histone acetylation occurs in the cytoplasm,then
Q27: Transcription factors help stabilize nucleosomes.
Q28: Histone acetylation usually promotes gene activity.
Q29: When added to DNA in vitro,unacetylated histones
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