thyrotoxicosis, Mitral Valve Prolapse Syndrome, Prevention of Ventricular Arrhythmia due to Congenital Long QT Syndrome, Prevention of Post Cardio-Thoracic Surgery Atrial Fibrillation, Prevent Bleeding Varicose Vein in the Esophagus, Abnormally Increased Pressure in the Veins of the Liver, A Feeling of Restlessness with Inability to Sit Still, Fast ...
1 The DNA + histone = chromatin definition: The DNA double helix in the cell nucleus is packaged by special proteins termed histones. 2  The formed protein/DNA complex is called chromatin.
Another example is histone modification. Histones are proteins that DNA wraps around. (Without histones, DNA would be too long to fit inside cells.) If histones squeeze DNA tightly, the DNA cannot be read by the cell. Modifications that relax the histones can make the DNA accessible to proteins that read genes.