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Test: GRE Subject Test: Biochemistry, Cell, and Molecular Biology
1. | Histone acetyltransferases (HATs) transfer acetyl groups from acetyl CoA to lysine residues on histones. What is the purpose of this transfer? |
Facilitate phosphorylation of these lysines by kinases
Prevent DNA degredation by endonucleases
Signal for ubiquitin-mediated degredation of histones
Promote formation of euchromatin and increase gene expression
Prevent transcription factors from binding to DNA
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