question: What does the manner of DNA storage on the histone and the chemical modifications of the histone itself regulate ?
answer: whether a particular region of DNA is accessible for gene expression
turker_answer: The manner of DNA storage on the histone and the chemical modifications of the histone itself regulate whether a particular region of DNA is accessible for gene expression .
rule-based: The manner of DNA storage on the histone and the chemical modifications of the histone itself regulates whether a particular region of DNA is accessible for gene expression .