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.
Fun Facts about Ancient Rome. 1  The city of Rome is the capital of Italy today. 2  The Circus Maximus, a huge stadium built for chariot races, could seat around 150,000 people. 3  The fall of Western Rome is considered the start of the Dark Ages in Europe. 4  The highest position in the Roman Republic was the consul.