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.
Roman Forum. The Forum was the pulsing heart of Rome, the cityâs main piazza where citizens of every social level met to exchange opinions, do business, buy in the markets and renew their strength over a tasty dish and a cup of good wine. An enormous crowd gathered there every day.