title: A possible role of "inert" heterochromatin in cell differentiation. Action of and competition for "locking" molecules.
mesh_terms: D000818:Animals; D001665:Binding Sites; D001667:Binding, Competitive; D002454:Cell Differentiation; D002875:Chromosomes; D004247:DNA; D004330:Drosophila; D005796:Genes; D006570:Heterochromatin / Q000502:physiology; D007313:Insecta; D046911:Macromolecular Substances; D008968:Molecular Conformation; D010944:Plants; D013329:Structure-Activity Relationship
chemical_list: D006570:Heterochromatin; D046911:Macromolecular Substances; D004247:DNA