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.
) The Circus Maximus was built in 326 B. C. , in Rome, with a purpose of controlling the cityâs mobs. The government also provided free grain to the poor. The Colosseum (in the second picture) was also built in the Roman Empire with a purpose of entertainment as well. Question Number Two How the Romans built a world empire begins with the land they lived in, and how the ability of resources affected Romeâs development as an Empire.