Histones play a role in packaging DNA into nucleosomes, and they are the main protein in chromatin. In addition, gene expression can be regulated by histones. Genes that are silenced are bound very tightly to a lot of histones, while those that are active are not. Modifications to histones are referred to as the histone code.
Definition of bolshevism. 1 : the doctrine or program of the Bolsheviks advocating violent overthrow of capitalism.
In all senses also called Bolshevist. [Russian Bol'shevik, from bol'she, comparative of bol'shoÄ­, large; see bel- in Indo-European roots.] Bolâ²sheÂ·vikâ² adj. Word History: The word Bolshevik derives from the Russian word bol'she, bigger, more, the comparative form of bol'shoÄ­, big.. In Russian, the plural Bol'sheviki was the name given to the majority faction at the Second Congress of the Russian Social Democratic Workers' Party in 1903.