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)
Proteins constitute over 80% of the total mass of nuclear material, while DNA forms 15 to 20%. There are 5 histone proteins associated with DNA Two molecules each of histones H2A, H2B, H3 and H4 form a histone core. DNA is wound around the histone cores-two turns of DNA around each. core form a nucleosome.