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 found in eukaryotic cell nuclei, which package the DNA into structural units called nucleosomes. They are the chief protein components of chromatin, the active component of chromosomes. Histones act as spools around which DNA winds, and play a role in gene regulation.