The core of the histones H2A and H2B can also be modified. Combinations of modifications are thought to constitute a code, the so-called histone code. Histone modifications act in diverse biological processes such as gene regulation, DNA repair, chromosome condensation (mitosis) and spermatogenesis (meiosis).
Bread and Circuses. Bread and circuses became the method that the ruling class of ancient Rome used to maintain their power and control of the people. This method kept their sheep fat and happy, even as they fleeced them and sent them off to plunder the free world.
Bread and Circuses (Star Trek: The Original Series) Bread and Circuses is a second season episode of the American science fiction television series Star Trek, broadcast on March 15, 1968. It is episode #54, production #43, written by Gene Roddenberry and Gene L. Coon and directed by Ralph Senensky. Its name is a reference to the phrase bread and circuses taken from the Satire X written by the poet, Juvenal. In modern usage, the phrase implies a populace that no longer values civic virtues, the public life, and military service; instead, the p