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.
Interesting Facts About Ancient Roman Food and Drink. 1  The government of Rome provided free or cheap grain for the poor called a grain dole.. This was used by politicians to gain popularity with the lower class. 2  The Romans dressed up their meals with various sauces. The most popular sauce was a fermented fish sauce called garum.