Adding Acetyl and Methyl Groups to a Histone Regulates Gene

question 31

Multiple Choice

Adding acetyl and methyl groups to a histone regulates gene expression by _________________.  

• A) increasing the pH of the cell
• B) loosening the DNA wound around the histone
• C) modifying the nucleotides of the promoter region of the DNA molecule
• D) tightening the DNA wound around the histone
• E) enhancing the development of a DNA-RNA hybrid

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Definitions:

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