Every year, much of the energy the U.S. consumes is wasted through transmission, heat loss and inefficient technology -- costing American families and businesses money, and leading to increased carbon pollution.
histone /hisÂ·tone/ (hisÂ´tÅn) a simple protein, soluble in water and insoluble in dilute ammonia, found combined as salts with acidic substances, e.g., the protein combined with nucleic acid or the globin of hemoglobin. histone (hÄ­sâ²tÅnâ²)
Histones are proteins that associate with DNA. The core histones are H2A, H2B, H3, and H4. The linker histones are H1 and H5. Histones and DNA together form nucleosomes. Gene expression can be regulated by histones.